diff --git a/config/external-sources.lock.json b/config/external-sources.lock.json
index e9827fe6..f9106357 100644
--- a/config/external-sources.lock.json
+++ b/config/external-sources.lock.json
@@ -42,8 +42,8 @@
       "repo": "https://github.com/vercel-labs/skills.git",
       "ref": "main",
       "adapter": "claude-skill",
-      "commit": "14cf84aa922cccc7e5b11fee5af9a01b3750fddf",
-      "syncedAt": "2026-10-06T07:26:41Z"
+      "commit": "48dc9e8eb8aa19040e91cb90ba0b642c9cbad57e",
+      "syncedAt": "2026-10-07T16:00:00Z"
     },
     {
       "id": "generate-agents-md",
@@ -123,8 +123,8 @@
       "repo": "https://github.com/Leonxlnx/taste-skill.git",
       "ref": "main",
       "adapter": "skill-collection",
-      "commit": "ce26fc25c0e5e8cab638f883de62d9a86ee5e45b",
-      "syncedAt": "2026-09-26T16:00:00Z"
+      "commit": "b482f7a970abb98c4108d4a9f761e458c64cefc8",
+      "syncedAt": "2026-10-07T16:00:00Z"
     },
     {
       "id": "shadcn",
@@ -132,8 +132,8 @@
       "repo": "https://github.com/shadcn-ui/ui.git",
       "ref": "main",
       "adapter": "claude-skill",
-      "commit": "debae9baea4d5c6bd0b1a857b09664db4b925818",
-      "syncedAt": "2026-10-06T16:00:00Z"
+      "commit": "97ddbf4274ed09d02aa7fd34375f2cf1e48cbbf0",
+      "syncedAt": "2026-10-07T16:00:00Z"
     },
     {
       "id": "frontend-slides",
@@ -168,8 +168,8 @@
       "repo": "https://github.com/hugohe3/ppt-master.git",
       "ref": "main",
       "adapter": "claude-skill",
-      "commit": "2d72da616cf9fa40d4dcaf59fd4c980ecf534b7d",
-      "syncedAt": "2026-10-05T16:00:00Z"
+      "commit": "440557b8dc7c7257b69c04a0b014d5c50a78e6cb",
+      "syncedAt": "2026-10-07T16:00:00Z"
     },
     {
       "id": "grill-me",
@@ -177,8 +177,8 @@
       "repo": "https://github.com/mattpocock/skills.git",
       "ref": "main",
       "adapter": "skill-collection",
-      "commit": "6fd947921b935b7e1e69293a200400f0fdd5c15f",
-      "syncedAt": "2026-10-06T16:00:00Z"
+      "commit": "f3fc5632f401156837ee3872f14fe33ccf1024ea",
+      "syncedAt": "2026-10-07T16:00:00Z"
     },
     {
       "id": "updating-gitea-repositories",
@@ -258,8 +258,8 @@
       "repo": "https://github.com/vercel/next.js.git",
       "ref": "canary",
       "adapter": "skill-collection",
-      "commit": "b22e5a299cb58577ce86f21b6a0f7bb31a6168f2",
-      "syncedAt": "2026-10-06T16:00:00Z"
+      "commit": "aaf0a16f530f097548a9256133f5bad0e9098794",
+      "syncedAt": "2026-10-07T16:00:00Z"
     },
     {
       "id": "shuorenhua",
diff --git a/plugins/codex/plugins/find-skills/THIRD_PARTY_SOURCE.json b/plugins/codex/plugins/find-skills/THIRD_PARTY_SOURCE.json
index b968644e..1398549a 100644
--- a/plugins/codex/plugins/find-skills/THIRD_PARTY_SOURCE.json
+++ b/plugins/codex/plugins/find-skills/THIRD_PARTY_SOURCE.json
@@ -2,8 +2,8 @@
   "sourceId": "find-skills",
   "repo": "https://github.com/vercel-labs/skills.git",
   "ref": "main",
-  "commit": "14cf84aa922cccc7e5b11fee5af9a01b3750fddf",
+  "commit": "48dc9e8eb8aa19040e91cb90ba0b642c9cbad57e",
   "adapter": "claude-skill",
   "sourcePath": "skills/find-skills",
-  "syncedAt": "2026-10-06T07:26:41Z"
+  "syncedAt": "2026-10-07T16:00:00Z"
 }
diff --git a/plugins/codex/plugins/grill-me/THIRD_PARTY_SOURCE.json b/plugins/codex/plugins/grill-me/THIRD_PARTY_SOURCE.json
index 7d89f7ff..66dd8e00 100644
--- a/plugins/codex/plugins/grill-me/THIRD_PARTY_SOURCE.json
+++ b/plugins/codex/plugins/grill-me/THIRD_PARTY_SOURCE.json
@@ -2,8 +2,8 @@
   "sourceId": "grill-me",
   "repo": "https://github.com/mattpocock/skills.git",
   "ref": "main",
-  "commit": "6fd947921b935b7e1e69293a200400f0fdd5c15f",
+  "commit": "f3fc5632f401156837ee3872f14fe33ccf1024ea",
   "adapter": "skill-collection",
   "sourcePath": "skills/productivity",
-  "syncedAt": "2026-10-06T16:00:00Z"
+  "syncedAt": "2026-10-07T16:00:00Z"
 }
diff --git a/plugins/codex/plugins/grill-me/skills/grilling/SKILL.md b/plugins/codex/plugins/grill-me/skills/grilling/SKILL.md
index e39de84a..67bfa155 100644
--- a/plugins/codex/plugins/grill-me/skills/grilling/SKILL.md
+++ b/plugins/codex/plugins/grill-me/skills/grilling/SKILL.md
@@ -21,6 +21,8 @@ Format a round like so:
 ➡️ <your recommended answer>
 ```
 
+Word each question so "yes" accepts your recommended answer.
+
 Each round the user answers reshapes the tree: settled decisions push the frontier outward and unblock questions that depended on them. Recompute the frontier and ask the next round. A question whose answer depends on another question still open in this round belongs to a _later_ round, not this one.
 
 Finding _facts_ is your job, never the user's. When a frontier question needs a fact from the environment (filesystem, tools, etc.), dispatch a sub-agent to find it; don't ask the user for anything you could look up yourself. Don't block on it: a running exploration is an unsettled prerequisite, so only the questions downstream of it wait for the sub-agent to report; ask the rest of the frontier now. The _decisions_ are the user's: put each to them and wait.
diff --git a/plugins/codex/plugins/mcp-playwright/MCP_SOURCE.json b/plugins/codex/plugins/mcp-playwright/MCP_SOURCE.json
index 87c2e6b6..9e793470 100644
--- a/plugins/codex/plugins/mcp-playwright/MCP_SOURCE.json
+++ b/plugins/codex/plugins/mcp-playwright/MCP_SOURCE.json
@@ -3,5 +3,5 @@
   "name": "playwright浏览器自动化操作",
   "version": "20260605",
   "keySource": "none",
-  "syncedAt": "2026-10-06T16:02:44Z"
+  "syncedAt": "2026-10-07T16:02:42Z"
 }
diff --git a/plugins/codex/plugins/next-skills/THIRD_PARTY_SOURCE.json b/plugins/codex/plugins/next-skills/THIRD_PARTY_SOURCE.json
index 282a07e8..26348a35 100644
--- a/plugins/codex/plugins/next-skills/THIRD_PARTY_SOURCE.json
+++ b/plugins/codex/plugins/next-skills/THIRD_PARTY_SOURCE.json
@@ -2,8 +2,8 @@
   "sourceId": "next-skills",
   "repo": "https://github.com/vercel/next.js.git",
   "ref": "canary",
-  "commit": "b22e5a299cb58577ce86f21b6a0f7bb31a6168f2",
+  "commit": "aaf0a16f530f097548a9256133f5bad0e9098794",
   "adapter": "skill-collection",
   "sourcePath": "skills",
-  "syncedAt": "2026-10-06T16:00:00Z"
+  "syncedAt": "2026-10-07T16:00:00Z"
 }
diff --git a/plugins/codex/plugins/ppt-master/THIRD_PARTY_SOURCE.json b/plugins/codex/plugins/ppt-master/THIRD_PARTY_SOURCE.json
index 65e6a468..5c1dfe10 100644
--- a/plugins/codex/plugins/ppt-master/THIRD_PARTY_SOURCE.json
+++ b/plugins/codex/plugins/ppt-master/THIRD_PARTY_SOURCE.json
@@ -2,8 +2,8 @@
   "sourceId": "ppt-master",
   "repo": "https://github.com/hugohe3/ppt-master.git",
   "ref": "main",
-  "commit": "2d72da616cf9fa40d4dcaf59fd4c980ecf534b7d",
+  "commit": "440557b8dc7c7257b69c04a0b014d5c50a78e6cb",
   "adapter": "claude-skill",
   "sourcePath": "skills/ppt-master",
-  "syncedAt": "2026-10-05T16:00:00Z"
+  "syncedAt": "2026-10-07T16:00:00Z"
 }
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/README.md b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/README.md
index 9f35e163..eb24a90d 100644
--- a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/README.md
+++ b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/README.md
@@ -17,7 +17,7 @@ Each subdirectory contains:
 
 - `_subject.md` — the controlled variables and the subject used for this set
 - `_manifest.json` — generation manifest (status=Pending), runnable via `image_gen.py --manifest`
-- `<dimension>.webp` — the generated image for each rendering / palette / type
+- `<dimension>.webp` — the generated image for each rendering / palette / type, re-encoded from the generated PNG
 
 > `page_role: hero_page` images don't pick an `image_type` — they use the four composition primitives in [`image-generator.md`](../image-generator.md) §4.1 directly (single-subject / portrait / typographic / atmospheric). The 11 types in `type/` are for local infographic blocks only.
 
@@ -52,7 +52,7 @@ python3 skills/ppt-master/scripts/image_gen.py \
     --backend openai
 ```
 
-Generated images land in the corresponding subdirectory. Each item's `status` in the manifest is updated in place to `Generated` / `Failed` / `Needs-Manual`. Re-running only retries `Pending` and `Failed` items — `Generated` items are skipped.
+Generated images land in the corresponding subdirectory as PNG; re-encode each to WebP at quality 85 under the same stem and delete the PNG before committing — the Confirm UI serves `rendering/<id>.webp`. Each item's `status` in the manifest is updated in place to `Generated` / `Failed` / `Needs-Manual`. Re-running only retries `Pending` and `Failed` items — `Generated` items are skipped.
 
 ## How to use
 
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/_manifest.json b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/_manifest.json
index 19594695..5e937622 100644
--- a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/_manifest.json
+++ b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/_manifest.json
@@ -11,7 +11,7 @@
   "deck_style_anchor": "Single subject hero composition, vector-illustration rendering: clean flat vector with bold shapes, sharp edges, no gradients, no shadows.",
   "items": [
     {
-      "filename": "cool-corporate.webp",
+      "filename": "cool-corporate.png",
       "purpose": "Palette comparison — cool-corporate",
       "aspect_ratio": "16:9",
       "prompt": "Clean flat vector illustration with bold geometric shapes, sharp edges, no gradients, no shadows, solid flat fills throughout. Subject: a confident professional standing beside an upward growth chart, looking forward. Single dominant subject occupying 60-70% of the canvas (hero composition). Color behavior is restrained-corporate: secondary off-white #F8F9FA occupies 60-70% of the canvas as calm breathing space; primary deep navy #1E3A5F carries the main subject in confident solid blocks; accent gold #D4AF37 appears only in one or two small emphasis points totaling under 5% of the area. No fourth color. Flat solid fills only — no metallic, no glossy reflections. 12-20% inner safe-zone padding. No embedded text labels, no HEX codes visible.",
@@ -19,7 +19,7 @@
       "status": "Generated"
     },
     {
-      "filename": "warm-earth.webp",
+      "filename": "warm-earth.png",
       "purpose": "Palette comparison — warm-earth",
       "aspect_ratio": "16:9",
       "prompt": "Clean flat vector illustration with bold geometric shapes, sharp edges, no gradients, no shadows, solid flat fills throughout. Subject: a confident professional standing beside an upward growth chart, looking forward. Single dominant subject occupying 60-70% of the canvas (hero composition). Color behavior is warm-grounded: secondary warm cream #FEF3C7 carries about 55% of the canvas as soft breathing space; primary deep terracotta #9A3412 anchors the main subject and dominant forms in confident warm tones (about 32%); accent warm gold #D4AF37 appears in small concentrated pops totaling under 13%. Soft warm temperament throughout, no cool tones. 12-20% inner safe-zone padding. No embedded text labels, no HEX codes visible.",
@@ -27,7 +27,7 @@
       "status": "Generated"
     },
     {
-      "filename": "tech-neon.webp",
+      "filename": "tech-neon.png",
       "purpose": "Palette comparison — tech-neon",
       "aspect_ratio": "16:9",
       "prompt": "Clean flat vector illustration with bold geometric shapes, sharp edges, solid flat fills throughout (subtle 8%-opacity glow halos allowed for tech-neon energy). Subject: a confident professional standing beside an upward growth chart, looking forward. Single dominant subject occupying 60-70% of the canvas (hero composition). Color behavior is tech-neon: secondary deep digital navy #0A0E27 covers about 50% of the canvas as the dark field; primary electric blue #0EA5E9 carries the main subject in confident saturated tones (about 35%) with a soft 8%-opacity glow halo around it; accent vivid cyan #06B6D4 appears in 10-15% as small bright pops on the chart, also with implied glow. High contrast between vivid foreground and dark digital background. 12-20% inner safe-zone padding. No embedded text labels, no HEX codes visible.",
@@ -35,7 +35,7 @@
       "status": "Generated"
     },
     {
-      "filename": "editorial-classic.webp",
+      "filename": "editorial-classic.png",
       "purpose": "Palette comparison — editorial-classic",
       "aspect_ratio": "16:9",
       "prompt": "Clean flat vector illustration with bold geometric shapes, sharp edges, no gradients, solid flat fills throughout (subtle 8%-opacity paper grain texture allowed for editorial feel). Subject: a confident professional standing beside an upward growth chart, looking forward. Single dominant subject occupying 60-70% of the canvas (hero composition). Color behavior is editorial-classic: secondary warm cream #FAF7F2 carries the magazine-paper field across about 55% of the canvas with subtle paper-grain texture at 8% opacity; primary deep navy #0F2C4C anchors the dominant subject in confident solid tone (about 30%); accent burnt orange #C2410C appears as a single thin horizontal rule and one small highlight marker totaling under 14%. Magazine-considered composition, deliberate breathing room. 12-20% inner safe-zone padding. No embedded text or readable labels.",
@@ -43,7 +43,7 @@
       "status": "Generated"
     },
     {
-      "filename": "macaron.webp",
+      "filename": "macaron.png",
       "purpose": "Palette comparison — macaron",
       "aspect_ratio": "16:9",
       "prompt": "Clean flat vector illustration with bold rounded geometric shapes (slightly softer corners for macaron warmth), no gradients, solid flat pastel fills with slight hand-painted overshoot beyond outlines. Subject: a confident professional standing beside an upward growth chart, looking forward. Single dominant subject occupying 60-70% of the canvas (hero composition). Color behavior is macaron pastel: warm cream paper background #F5F0E8 covers about 50% of the canvas. The main subject and chart are filled in soft pastel tints — light blue, mint green, lavender, peach (about 40% total area). Accent warm coral #F97316 appears in one or two small emphasis points only (under 10%). Soft, friendly, educational temperament throughout. 12-20% inner safe-zone padding. No embedded text or labels visible.",
@@ -51,7 +51,7 @@
       "status": "Generated"
     },
     {
-      "filename": "mono-ink.webp",
+      "filename": "mono-ink.png",
       "purpose": "Palette comparison — mono-ink",
       "aspect_ratio": "16:9",
       "prompt": "Clean flat vector illustration with bold geometric shapes, sharp edges, no gradients, solid flat fills throughout. Subject: a confident professional standing beside an upward growth chart, looking forward. Single dominant subject occupying 60-70% of the canvas (hero composition). Color behavior is mono-ink: pure white background #FFFFFF (about 55%). All structural elements — figure, chart, lines — in near-black ink #1A1A1A (about 38%). The accent coral red #E8655A is reserved as the semantic emphasis accent, appearing in 1-3 small focal points only (the highlighted chart bar, an arrow, an emphasis dot) totaling under 8%. No other colors. High contrast monochrome with one semantic accent only. 12-20% inner safe-zone padding. No embedded text or labels visible.",
@@ -59,7 +59,7 @@
       "status": "Generated"
     },
     {
-      "filename": "vivid-launch.webp",
+      "filename": "vivid-launch.png",
       "purpose": "Palette comparison — vivid-launch",
       "aspect_ratio": "16:9",
       "prompt": "Clean flat vector illustration with bold geometric shapes, sharp edges, no gradients, solid flat saturated fills throughout. Subject: a confident professional standing beside an upward growth chart, looking forward. Single dominant subject occupying 60-70% of the canvas (hero composition). Color behavior is vivid-launch: secondary near-white #FAFAFA background (about 38%); primary saturated brand magenta #E11D48 carries the dominant subject in confident vivid blocks (about 35%); accent vivid orange #F97316 is co-star — a major secondary subject element or supporting block (about 25%). One small detail in deep neutral for definition (about 2%). All colors confident and saturated. Promotional, attention-grabbing energy. 12-20% inner safe-zone padding. No embedded text or labels visible.",
@@ -67,7 +67,7 @@
       "status": "Generated"
     },
     {
-      "filename": "dark-cinematic.webp",
+      "filename": "dark-cinematic.png",
       "purpose": "Palette comparison — dark-cinematic",
       "aspect_ratio": "16:9",
       "prompt": "Clean flat vector illustration with bold geometric shapes (subtle 8%-opacity glow halos around bright elements for dark-cinematic atmosphere). Subject: a confident professional standing beside an upward growth chart, looking forward. Single dominant subject occupying 60-70% of the canvas (hero composition). Color behavior is dark-cinematic: deep dark background #0A0E27 covers about 65% of the canvas with subtle gradient toward darker edges. Primary bright teal #14B8A6 carries the main subject and growth chart bars as bright lit elements (about 25%) with implied luminance glow at 8% opacity. Accent vivid amber #D4AF37 appears as a small concentrated glow point near the focal area (about 10%). The bright primary and accent feel like light sources within the cinematic dark. 12-20% inner safe-zone padding. No embedded text or labels visible.",
@@ -75,7 +75,7 @@
       "status": "Generated"
     },
     {
-      "filename": "duotone.webp",
+      "filename": "duotone.png",
       "purpose": "Palette comparison — duotone",
       "aspect_ratio": "16:9",
       "prompt": "Clean flat vector illustration with bold geometric shapes, sharp edges, no gradients, only two solid colors total. Subject: a confident professional standing beside an upward growth chart, looking forward. Single dominant subject occupying 60-70% of the canvas (hero composition). Color behavior is duotone: Color A — deep teal #0F766E — carries the main subject silhouette and the dominant zone of the canvas (about 50%). Color B — vivid amber #D97706 — carries the background field and the secondary zone (about 48%). The two colors are the entire palette — no third hue beyond a barely-perceptible neutral 2% in transitional textures. Editorial poster balance. 12-20% inner safe-zone padding. No embedded text or labels visible.",
@@ -83,7 +83,7 @@
       "status": "Generated"
     },
     {
-      "filename": "nature-organic.webp",
+      "filename": "nature-organic.png",
       "purpose": "Palette comparison — nature-organic",
       "aspect_ratio": "16:9",
       "prompt": "Clean flat vector illustration with bold but slightly organic geometric shapes, sharp edges, no gradients, solid flat earthy fills. Subject: a confident professional standing beside an upward growth chart, looking forward. Single dominant subject occupying 60-70% of the canvas (hero composition). Color behavior is nature-organic: secondary soft cream #FEF3C7 covers the background field as gentle outdoor breath (about 50%). Primary deep forest green #166534 carries the dominant subject and natural forms — clothing, chart elements styled as organic shapes (about 35%). Accent warm honey #D4AF37 appears in small natural detail pops — a flower, a sunlit highlight on the chart (about 13%). All tones earthy and slightly desaturated. 12-20% inner safe-zone padding. No embedded text or labels visible.",
@@ -91,7 +91,7 @@
       "status": "Generated"
     },
     {
-      "filename": "jewel-tone.webp",
+      "filename": "jewel-tone.png",
       "purpose": "Palette comparison — jewel-tone",
       "aspect_ratio": "16:9",
       "prompt": "Clean flat vector illustration with bold geometric shapes, sharp edges, no gradients, solid flat fills with rich gemstone saturation. Subject: a confident professional standing beside an upward growth chart, looking forward. Single dominant subject occupying 60-70% of the canvas (hero composition). Color behavior is jewel-tone: rich primary deep emerald #047857 carries the dominant subject silhouette and main chart elements as confident saturated gemstone block (about 36%); secondary deep cream #FEF3C7 forms the velvet field background (about 50%); accent polished gold #D4AF37 appears as one thin metallic horizontal rule and one small jewel-cut dot, totaling about 14%. High saturation, premium evening feel, no muted tints, no plastic look. 12-20% inner padding. No embedded text or labels visible.",
@@ -99,7 +99,7 @@
       "status": "Generated"
     },
     {
-      "filename": "frost-ice.webp",
+      "filename": "frost-ice.png",
       "purpose": "Palette comparison — frost-ice",
       "aspect_ratio": "16:9",
       "prompt": "Clean flat vector illustration with bold geometric shapes, sharp edges, no gradients, near-white field dominance. Subject: a confident professional standing beside an upward growth chart, looking forward. Single dominant subject occupying 60-70% of the canvas (hero composition). Color behavior is frost-ice: secondary near-white #F8FBFD occupies about 80% of the canvas as vast calm field (the breathing room IS the identity); pale cool primary #DBEAFE renders the subject silhouette and chart as soft restrained structure (about 12%); accent steel blue #3B82F6 appears as one small deliberate focal element — a chart highlight or single dot, about 5%. No warm tones, no saturated colors. Clean clinical premium-minimal feel. 12-20% inner padding. No embedded text or labels visible.",
@@ -107,7 +107,7 @@
       "status": "Generated"
     },
     {
-      "filename": "sunset-gradient.webp",
+      "filename": "sunset-gradient.png",
       "purpose": "Palette comparison — sunset-gradient",
       "aspect_ratio": "16:9",
       "prompt": "Flat vector illustration with bold geometric shapes layered over a smooth atmospheric gradient background (sunset-gradient overrides the rendering's usual no-gradient rule for the BACKGROUND FIELD only — shapes on top remain flat). Subject: a confident professional silhouette standing beside an upward growth chart, looking forward. Single dominant subject occupying 60-70% of the canvas (hero composition). Color behavior is sunset-gradient: the entire background flows as a smooth diagonal gradient — primary deep pink #EC4899 in the lower-left, transitioning through secondary warm orange #F97316 in the middle band, into accent purple #9333EA in the upper-right. Smooth blending, no hard color edges in the gradient. Above the gradient, a near-black silhouette professional and chart shapes sit as flat solid forms (about 30%) as the focal rest point. Atmospheric, energetic, optimistic. 12-20% inner padding. No embedded text or labels.",
@@ -115,7 +115,7 @@
       "status": "Generated"
     },
     {
-      "filename": "earthy-dusty.webp",
+      "filename": "earthy-dusty.png",
       "purpose": "Palette comparison — earthy-dusty",
       "aspect_ratio": "16:9",
       "prompt": "Clean flat vector illustration with bold geometric shapes, sharp edges, no gradients, solid flat fills at uniformly reduced saturation (Morandi-adjacent). Subject: a confident professional standing beside an upward growth chart, looking forward. Single dominant subject occupying 60-70% of the canvas (hero composition). Color behavior is earthy-dusty: every color appears desaturated 30% from a vivid source. Secondary muted oat #E8E0D5 carries about 50% of the canvas as calm dusted field; primary muted dusty terracotta #C9A38C forms the subject silhouette and chart in soft warm earth tone (about 35%); accent muted sage #A8B5A0 appears as one thin horizontal line near the chart and one small dusty dot, totaling about 12%. No vivid colors anywhere. Refined, contemplative, slow. 12-20% inner padding. No embedded text or labels.",
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/_manifest.md b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/_manifest.md
index 9c14322f..682ce07a 100644
--- a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/_manifest.md
+++ b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/_manifest.md
@@ -9,7 +9,7 @@
 
 ---
 
-### Image 1: cool-corporate.webp
+### Image 1: cool-corporate.png
 
 | Attribute | Value |
 |---|---|
@@ -26,7 +26,7 @@ Clean flat vector illustration with bold geometric shapes, sharp edges, no gradi
 
 ---
 
-### Image 2: warm-earth.webp
+### Image 2: warm-earth.png
 
 | Attribute | Value |
 |---|---|
@@ -43,7 +43,7 @@ Clean flat vector illustration with bold geometric shapes, sharp edges, no gradi
 
 ---
 
-### Image 3: tech-neon.webp
+### Image 3: tech-neon.png
 
 | Attribute | Value |
 |---|---|
@@ -60,7 +60,7 @@ Clean flat vector illustration with bold geometric shapes, sharp edges, solid fl
 
 ---
 
-### Image 4: editorial-classic.webp
+### Image 4: editorial-classic.png
 
 | Attribute | Value |
 |---|---|
@@ -77,7 +77,7 @@ Clean flat vector illustration with bold geometric shapes, sharp edges, no gradi
 
 ---
 
-### Image 5: macaron.webp
+### Image 5: macaron.png
 
 | Attribute | Value |
 |---|---|
@@ -94,7 +94,7 @@ Clean flat vector illustration with bold rounded geometric shapes (slightly soft
 
 ---
 
-### Image 6: mono-ink.webp
+### Image 6: mono-ink.png
 
 | Attribute | Value |
 |---|---|
@@ -111,7 +111,7 @@ Clean flat vector illustration with bold geometric shapes, sharp edges, no gradi
 
 ---
 
-### Image 7: vivid-launch.webp
+### Image 7: vivid-launch.png
 
 | Attribute | Value |
 |---|---|
@@ -128,7 +128,7 @@ Clean flat vector illustration with bold geometric shapes, sharp edges, no gradi
 
 ---
 
-### Image 8: dark-cinematic.webp
+### Image 8: dark-cinematic.png
 
 | Attribute | Value |
 |---|---|
@@ -145,7 +145,7 @@ Clean flat vector illustration with bold geometric shapes (subtle 8%-opacity glo
 
 ---
 
-### Image 9: duotone.webp
+### Image 9: duotone.png
 
 | Attribute | Value |
 |---|---|
@@ -162,7 +162,7 @@ Clean flat vector illustration with bold geometric shapes, sharp edges, no gradi
 
 ---
 
-### Image 10: nature-organic.webp
+### Image 10: nature-organic.png
 
 | Attribute | Value |
 |---|---|
@@ -179,7 +179,7 @@ Clean flat vector illustration with bold but slightly organic geometric shapes,
 
 ---
 
-### Image 11: jewel-tone.webp
+### Image 11: jewel-tone.png
 
 | Attribute | Value |
 |---|---|
@@ -196,7 +196,7 @@ Clean flat vector illustration with bold geometric shapes, sharp edges, no gradi
 
 ---
 
-### Image 12: frost-ice.webp
+### Image 12: frost-ice.png
 
 | Attribute | Value |
 |---|---|
@@ -213,7 +213,7 @@ Clean flat vector illustration with bold geometric shapes, sharp edges, no gradi
 
 ---
 
-### Image 13: sunset-gradient.webp
+### Image 13: sunset-gradient.png
 
 | Attribute | Value |
 |---|---|
@@ -230,7 +230,7 @@ Flat vector illustration with bold geometric shapes layered over a smooth atmosp
 
 ---
 
-### Image 14: earthy-dusty.webp
+### Image 14: earthy-dusty.png
 
 | Attribute | Value |
 |---|---|
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/_subject.md b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/_subject.md
index 586ea3fd..c39639dc 100644
--- a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/_subject.md
+++ b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/_subject.md
@@ -39,7 +39,7 @@ This also matches real production: a user who picks vivid-launch will have vivid
 
 ## Naming convention
 
-Each filename is `<palette>.webp`, matching the corresponding file under `references/image-palettes/`.
+Each filename is `<palette>.png`, matching the corresponding file under `references/image-palettes/`.
 
 ## How to read this set
 
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/cool-corporate.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/cool-corporate.webp
index 6ed9bad3..a4e8a3c7 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/cool-corporate.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/cool-corporate.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/dark-cinematic.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/dark-cinematic.webp
index f78b6580..eae746a5 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/dark-cinematic.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/dark-cinematic.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/duotone.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/duotone.webp
index 88805f79..44505804 100644
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diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/earthy-dusty.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/earthy-dusty.webp
index a85e69c2..29790e51 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/earthy-dusty.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/earthy-dusty.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/editorial-classic.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/editorial-classic.webp
index e4cc1b4f..59931972 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/editorial-classic.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/editorial-classic.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/frost-ice.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/frost-ice.webp
index 8e1672a3..02f15e8b 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/frost-ice.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/frost-ice.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/jewel-tone.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/jewel-tone.webp
index 5d057208..943bce68 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/jewel-tone.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/jewel-tone.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/macaron.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/macaron.webp
index a10ad2ad..a167bdfe 100644
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diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/mono-ink.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/mono-ink.webp
index 2e5436a9..85de4310 100644
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diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/nature-organic.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/nature-organic.webp
index b12c2ced..d936dea4 100644
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diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/sunset-gradient.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/sunset-gradient.webp
index f80de403..07cff2d8 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/sunset-gradient.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/sunset-gradient.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/tech-neon.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/tech-neon.webp
index da1e9872..e44a8fd2 100644
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diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/vivid-launch.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/vivid-launch.webp
index 24593448..c9526f6d 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/vivid-launch.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/vivid-launch.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/warm-earth.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/warm-earth.webp
index b057e074..be5c9d58 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/warm-earth.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/palette/warm-earth.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/3d-isometric.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/3d-isometric.webp
index 16a15189..43a05e0c 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/3d-isometric.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/3d-isometric.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/_manifest.json b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/_manifest.json
index e77421b6..1388855d 100644
--- a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/_manifest.json
+++ b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/_manifest.json
@@ -15,7 +15,7 @@
   "deck_style_anchor": "Single subject hero composition, cool-corporate palette: secondary off-white #F8F9FA dominates background (60-70%), primary deep navy #1E3A5F carries main subject, accent gold #D4AF37 in small emphasis points only.",
   "items": [
     {
-      "filename": "vector-illustration.webp",
+      "filename": "vector-illustration.png",
       "purpose": "Rendering comparison — vector-illustration",
       "aspect_ratio": "16:9",
       "prompt": "Clean flat vector illustration with bold geometric shapes, sharp edges, no gradients, no shadows, solid flat fills throughout. Subject: a confident professional standing beside an upward growth chart, looking forward. Single dominant subject occupying 60-70% of the canvas (hero composition). Color behavior is restrained-corporate: secondary off-white #F8F9FA occupies 60-70% of the canvas as calm breathing space; primary deep navy #1E3A5F carries the main subject in confident solid blocks; accent gold #D4AF37 appears only in one or two small emphasis points totaling under 5% of the area. No fourth color. 12-20% inner safe-zone padding around the subject. No embedded text labels, no HEX codes or color names visible in the image.",
@@ -23,7 +23,7 @@
       "status": "Generated"
     },
     {
-      "filename": "flat.webp",
+      "filename": "flat.png",
       "purpose": "Rendering comparison — flat",
       "aspect_ratio": "16:9",
       "prompt": "Modern flat design with crisp geometric blocks, slightly more decorative than pure vector, clean angular composition, solid flat fills, subtle 8%-opacity drop shadows allowed under layered blocks. Subject: a confident professional standing beside an upward growth chart, looking forward. Single dominant subject occupying 60-70% of the canvas (hero composition). Color behavior is restrained-corporate: secondary off-white #F8F9FA occupies 60-70% of the canvas as calm breathing space; primary deep navy #1E3A5F carries the main subject and dominant blocks; accent gold #D4AF37 appears only in one or two small emphasis points totaling under 5% of the area. No fourth color. 12-20% inner safe-zone padding. No embedded text labels, no HEX codes or color names visible.",
@@ -31,7 +31,7 @@
       "status": "Generated"
     },
     {
-      "filename": "3d-isometric.webp",
+      "filename": "3d-isometric.png",
       "purpose": "Rendering comparison — 3d-isometric",
       "aspect_ratio": "16:9",
       "prompt": "Isometric 3D rendering with axonometric perspective, subtle ambient shadows at 8% opacity, soft volumetric forms, slight gradient shading on lit faces. Subject: a confident professional standing beside an upward growth chart, looking forward — both subject and chart rendered as isometric 3D forms. Single dominant scene occupying 60-70% of the canvas (hero composition). Color behavior is restrained-corporate: secondary off-white #F8F9FA occupies 60-70% of the canvas as calm breathing space; primary deep navy #1E3A5F carries the main isometric forms; accent gold #D4AF37 appears only in one or two small emphasis points totaling under 5% of the area. No fourth color. 12-20% inner safe-zone padding. No embedded text labels, no HEX codes visible.",
@@ -39,7 +39,7 @@
       "status": "Generated"
     },
     {
-      "filename": "digital-dashboard.webp",
+      "filename": "digital-dashboard.png",
       "purpose": "Rendering comparison — digital-dashboard",
       "aspect_ratio": "16:9",
       "prompt": "Polished UI dashboard aesthetic, screen-like surface with cards and chart elements, subtle drop shadows under cards, clean data-viz typography feel, modern SaaS look. Subject: a dashboard view dominated by an upward growth chart card with a confident professional avatar overlaid on the side. Single dominant composition occupying 60-70% of the canvas (hero composition). Color behavior is restrained-corporate dashboard: secondary off-white #F8F9FA dominates as the UI surface (about 70%); primary deep navy #1E3A5F carries the main chart bars and dominant card header; accent gold #D4AF37 reserved for one highlighted KPI marker totaling under 5%. Soft 8% drop shadows under cards. No fourth color. 12-20% inner safe-zone padding. No embedded text labels, no HEX codes visible.",
@@ -47,7 +47,7 @@
       "status": "Generated"
     },
     {
-      "filename": "corporate-photo.webp",
+      "filename": "corporate-photo.png",
       "purpose": "Rendering comparison — corporate-photo",
       "aspect_ratio": "16:9",
       "prompt": "Editorial corporate photography, real human subject in modern office environment, natural soft window lighting, magazine-quality, slight depth of field, photo-realistic. Subject: a confident professional standing beside an upward growth chart projected on a screen or printed on a wall, looking forward. Single dominant subject occupying 60-70% of the canvas (hero composition). Color grading is restrained-corporate: muted off-white #F8F9FA tones in the environment dominate as calm breathing space (about 65%); deep navy #1E3A5F appears as the dominant clothing or screen tone of the subject area; warm gold #D4AF37 grade appears only as a small environmental accent — perhaps a metal detail or warm light glow — under 5% of the area. No saturated extra colors. 12-20% inner safe-zone padding around the subject. No embedded text in the image.",
@@ -55,7 +55,7 @@
       "status": "Generated"
     },
     {
-      "filename": "blueprint.webp",
+      "filename": "blueprint.png",
       "purpose": "Rendering comparison — blueprint",
       "aspect_ratio": "16:9",
       "prompt": "Technical schematic blueprint style, fine grid background, monospace cues, drafting lines, blueprint annotation aesthetic with measurement marks and structural callout lines. Subject: a stylized blueprint of a confident professional figure standing beside a schematic upward growth chart, both rendered as engineering drawings with clean line weights. Single dominant composition occupying 60-70% of the canvas (hero composition). Color behavior is restrained-corporate blueprint: secondary off-white #F8F9FA carries the paper field with subtle grid (about 65%); primary deep navy #1E3A5F carries all schematic linework and the dominant figure outlines (about 28%); accent gold #D4AF37 appears only as one or two highlighted callout markers totaling under 5%. No fourth color. 12-20% inner safe-zone padding. No embedded text or measurement numbers as legible labels.",
@@ -63,7 +63,7 @@
       "status": "Generated"
     },
     {
-      "filename": "editorial.webp",
+      "filename": "editorial.png",
       "purpose": "Rendering comparison — editorial",
       "aspect_ratio": "16:9",
       "prompt": "Magazine-style editorial infographic, refined typography hierarchy, balanced gutters, paper-grain texture at 8% opacity, deliberate negative space, considered composition with magazine-spread feel. Subject: a confident professional rendered as an editorial illustration standing beside an upward growth chart styled as a magazine data visualization. Single dominant subject occupying 60-70% of the canvas (hero composition). Color behavior is restrained editorial: secondary off-white #F8F9FA carries the magazine-paper field with subtle paper-grain (about 65%); primary deep navy #1E3A5F anchors the dominant figure and main chart block (about 28%); accent gold #D4AF37 appears as one thin horizontal rule and one small highlight marker totaling under 7%. No fourth color. 12-20% inner safe-zone padding. No embedded text or labels visible in the image.",
@@ -71,7 +71,7 @@
       "status": "Generated"
     },
     {
-      "filename": "sketch-notes.webp",
+      "filename": "sketch-notes.png",
       "purpose": "Rendering comparison — sketch-notes",
       "aspect_ratio": "16:9",
       "prompt": "Hand-drawn sketch-notes style on warm cream paper background, black ink outlines with slight wobble, pastel color fills with slight hand-painted overshoot beyond edges, organic hand-lettered feel, doodle aesthetic. Subject: a confident professional figure hand-drawn beside an upward growth chart sketched as a doodle with arrows and small annotation marks. Single dominant composition occupying 60-70% of the canvas (hero composition). Color behavior is restrained-corporate sketched: cream paper field #F8F9FA dominates (about 65%); primary deep navy #1E3A5F carries the main ink linework and dominant figure (about 28%); accent gold #D4AF37 appears as one highlighted hand-drawn arrow or doodle decoration totaling under 7%. No fourth color. 12-20% inner safe-zone padding. No embedded text or hand-lettered words visible.",
@@ -79,7 +79,7 @@
       "status": "Generated"
     },
     {
-      "filename": "ink-notes.webp",
+      "filename": "ink-notes.png",
       "purpose": "Rendering comparison — ink-notes",
       "aspect_ratio": "16:9",
       "prompt": "Pure white background with sparse black ink drawing, hand-drawn linework, deliberate empty space, near-monochrome with one semantic accent color in 1-3 small focal points only. Subject: a confident professional figure hand-drawn in minimal black ink strokes beside an upward growth chart sketched with sparse confident lines. Single dominant composition occupying 60-70% of the canvas (hero composition). Color behavior is mono-ink shifted to the deck's HEX: pure white background (about 60%); deep navy #1E3A5F replaces the typical black ink for all linework and the dominant figure (about 33%); accent gold #D4AF37 appears as one small semantic emphasis dot or arrow totaling under 7%. No other colors. 12-20% inner safe-zone padding. No embedded text or words visible.",
@@ -87,7 +87,7 @@
       "status": "Generated"
     },
     {
-      "filename": "chalkboard.webp",
+      "filename": "chalkboard.png",
       "purpose": "Rendering comparison — chalkboard",
       "aspect_ratio": "16:9",
       "prompt": "Chalk drawing on a dark green chalkboard surface, white and pale chalk strokes with slight smudge texture, classroom feel, hand-drawn chalk linework. Subject: a confident professional figure drawn in white chalk beside an upward growth chart sketched in chalk strokes with arrows. Single dominant composition occupying 60-70% of the canvas (hero composition). Color behavior — chalkboard adapted to deck HEX: deep dark chalkboard surface dominates (about 65%); pale off-white chalk #F8F9FA renders all primary linework and the dominant figure (about 28%); warm gold chalk #D4AF37 appears only in one or two small highlights totaling under 7%. No fourth chalk color. 12-20% inner safe-zone padding. No embedded text or written words visible on the chalkboard.",
@@ -95,7 +95,7 @@
       "status": "Generated"
     },
     {
-      "filename": "watercolor.webp",
+      "filename": "watercolor.png",
       "purpose": "Rendering comparison — watercolor",
       "aspect_ratio": "16:9",
       "prompt": "Painterly watercolor style with soft bleeding edges, organic color washes, slight paper grain, hand-painted brush feel, no hard outlines. Subject: a confident professional figure painted in watercolor beside an upward growth chart suggested through soft watercolor washes and brush strokes. Single dominant composition occupying 60-70% of the canvas (hero composition). Color behavior is restrained-corporate watercolor: soft off-white #F8F9FA paper field dominates (about 65%); deep navy #1E3A5F watercolor wash carries the main figure and chart with soft bleeding edges (about 28%); warm gold #D4AF37 watercolor highlights appear in one or two small concentrated wash spots totaling under 7%. No fourth pigment. 12-20% inner safe-zone padding. No embedded text or letters visible.",
@@ -103,7 +103,7 @@
       "status": "Generated"
     },
     {
-      "filename": "warm-scene.webp",
+      "filename": "warm-scene.png",
       "purpose": "Rendering comparison — warm-scene",
       "aspect_ratio": "16:9",
       "prompt": "Golden-hour cinematic warmth, soft directional sunlight from low angle, warm color grading throughout, atmospheric haze, lifestyle photography feel. Subject: a confident professional standing beside an upward growth chart bathed in warm golden-hour light, looking forward toward the light source. Single dominant subject occupying 60-70% of the canvas (hero composition). Color grading is restrained-corporate warmed: soft off-white #F8F9FA highlights carry the warmly lit field and atmospheric haze (about 60%); deep navy #1E3A5F appears in the shadowed clothing and shadowed side of the chart (about 30%); warm gold #D4AF37 grade carries the golden-hour light itself and rim lighting on the subject totaling about 10%. No saturated extra colors. 12-20% inner safe-zone padding. No embedded text in the image.",
@@ -111,7 +111,7 @@
       "status": "Generated"
     },
     {
-      "filename": "screen-print.webp",
+      "filename": "screen-print.png",
       "purpose": "Rendering comparison — screen-print",
       "aspect_ratio": "16:9",
       "prompt": "Halftone screen-print poster art, limited flat colors, visible halftone dot pattern in transitional zones, slight color misregistration for silkscreen authenticity, retro poster aesthetic. Subject: a confident professional figure rendered as a stylized poster silhouette beside an upward growth chart simplified to bold poster shapes. Single dominant composition occupying 60-70% of the canvas (hero composition). Color behavior is restrained-corporate poster: off-white #F8F9FA carries the poster field (about 60%); deep navy #1E3A5F is the dominant flat poster ink for the figure and chart (about 33%); warm gold #D4AF37 is the second poster ink in one or two emphasis blocks totaling under 7%. Halftone dot transitions between color zones. Slight misregistration. No fourth ink. 12-20% inner safe-zone padding. No embedded text or poster lettering visible.",
@@ -119,7 +119,7 @@
       "status": "Generated"
     },
     {
-      "filename": "fantasy-animation.webp",
+      "filename": "fantasy-animation.png",
       "purpose": "Rendering comparison — fantasy-animation",
       "aspect_ratio": "16:9",
       "prompt": "Hand-drawn animation style reminiscent of Studio Ghibli — soft warm linework, painted watercolor-style backgrounds, gentle character expression, storybook warmth, animated film look. Subject: a confident professional character drawn in animation style standing beside an upward growth chart rendered as part of a warm storybook scene. Single dominant subject occupying 60-70% of the canvas (hero composition). Color behavior is restrained-corporate softened for animation: soft off-white #F8F9FA painted background (about 60%); deep navy #1E3A5F appears as the character's clothing and dominant scene tone (about 30%); warm gold #D4AF37 appears as warm light glow and character highlights totaling about 10%. No clashing saturated colors. 12-20% inner safe-zone padding. No embedded text or letters visible.",
@@ -127,7 +127,7 @@
       "status": "Generated"
     },
     {
-      "filename": "pixel-art.webp",
+      "filename": "pixel-art.png",
       "purpose": "Rendering comparison — pixel-art",
       "aspect_ratio": "16:9",
       "prompt": "8-bit pixel art aesthetic, blocky pixels with sharp pixel edges and no anti-aliasing, retro game feel, limited color palette per fill, deliberate jagged edges. Subject: a confident professional pixel character standing beside an upward growth chart rendered as a pixelated bar chart. Single dominant composition occupying 60-70% of the canvas (hero composition). Color behavior is restrained-corporate pixel: off-white #F8F9FA fills the background pixel field (about 60%); deep navy #1E3A5F is the dominant pixel color for the character and chart bars (about 33%); warm gold #D4AF37 appears as one or two small accent pixel clusters — a highlighted bar tip or pixel sparkle — under 7%. No fourth color. 12-20% inner safe-zone padding. No embedded pixel text or letters visible.",
@@ -135,7 +135,7 @@
       "status": "Generated"
     },
     {
-      "filename": "nature.webp",
+      "filename": "nature.png",
       "purpose": "Rendering comparison — nature",
       "aspect_ratio": "16:9",
       "prompt": "Organic earthy illustration with botanical details, hand-drawn natural forms, leaves and organic textures, slightly desaturated earthy line quality. Subject: a confident professional figure standing in a natural outdoor setting beside an upward growth chart formed organically from stylized plant shapes or rising leaves. Single dominant subject occupying 60-70% of the canvas (hero composition). Color behavior is restrained-corporate naturalized: soft off-white #F8F9FA carries the open natural breathing space (about 60%); deep navy #1E3A5F shifted slightly toward natural-darkened tone for the figure and organic forms (about 30%); warm gold #D4AF37 appears as small natural sun-detail pops — sunlit leaf tips, a small flower — totaling about 10%. Earth-toned, slightly desaturated. 12-20% inner safe-zone padding. No embedded text or letters.",
@@ -143,7 +143,7 @@
       "status": "Generated"
     },
     {
-      "filename": "minimalist-swiss.webp",
+      "filename": "minimalist-swiss.png",
       "purpose": "Rendering comparison — minimalist-swiss",
       "aspect_ratio": "16:9",
       "prompt": "Strict Swiss-grid minimalist composition with rigorous modular grid alignment, reduced geometric primitives (clean rectangles, perfect circles, single-weight lines), no decoration, no gradients, no shadows, generous aggressive whitespace. Subject: a stylized confident professional silhouette standing beside an upward growth chart reduced to a single straight diagonal line — both elements snapped to the grid. Single dominant composition occupying 60-70% of the canvas (hero composition), with deliberate negative space carrying as much weight as filled areas. Color behavior is restrained-corporate: secondary off-white #F8F9FA occupies 70% of the canvas as vast calm field; primary deep navy #1E3A5F carries the silhouette and chart line as flat solid block; accent gold #D4AF37 appears only as one thin horizontal rule or single small dot at a rule-of-thirds intersection, under 3%. No fourth color. 18-20% inner padding. No embedded text or labels.",
@@ -151,7 +151,7 @@
       "status": "Generated"
     },
     {
-      "filename": "glassmorphism.webp",
+      "filename": "glassmorphism.png",
       "purpose": "Rendering comparison — glassmorphism",
       "aspect_ratio": "16:9",
       "prompt": "Modern glassmorphism aesthetic with layered semi-transparent frosted-glass panels, thin 1px highlight strokes on panel top/left edges, large soft drop shadows (20% opacity, generous spread) for real depth, soft gradient background blurring through panels. Subject: a confident professional figure rendered as a clean solid silhouette inside the main frosted-glass panel, standing beside an upward growth chart shown as a polished glass card with crisp data marks. Single dominant composition occupying 60-70% of the canvas (hero composition). Color behavior is restrained-corporate glass: secondary off-white #F8F9FA forms the soft gradient field (about 60%); primary deep navy #1E3A5F carries the figure silhouette and chart data inside the glass panel (about 32%); accent gold #D4AF37 appears as one small focal indicator on the chart, under 5%. Polished, premium, futuristic-friendly. 12% inner safe-zone padding. No embedded text or labels.",
@@ -159,7 +159,7 @@
       "status": "Generated"
     },
     {
-      "filename": "vintage-poster.webp",
+      "filename": "vintage-poster.png",
       "purpose": "Rendering comparison — vintage-poster",
       "aspect_ratio": "16:9",
       "prompt": "Mid-century modern poster aesthetic with bold geometric shapes with rounded organic edges, slightly off-axis retro composition, halftone dot pattern at 12% opacity overlaying fills, subtle paper grain at 10% opacity, slight ink misregistration along edges suggesting screen-print authenticity, thick hand-aware lines. Subject: a stylized retro confident professional silhouette standing beside an upward growth chart shown as angular geometric bars, both in mid-century poster character. Single dominant composition occupying 60-70% of the canvas (hero composition). Color behavior is restrained-corporate in mid-century register: secondary off-white #F8F9FA (slightly toned toward warm paper) carries about 60% of the canvas; primary deep navy #1E3A5F forms the silhouette and bars as confident flat blocks with halftone overlay (about 32%); accent gold #D4AF37 appears as one small geometric circle or thin horizontal rule, under 8%. Three colors total. 12% inner padding. No embedded text or letters.",
@@ -167,7 +167,7 @@
       "status": "Generated"
     },
     {
-      "filename": "paper-cut.webp",
+      "filename": "paper-cut.png",
       "purpose": "Rendering comparison — paper-cut",
       "aspect_ratio": "16:9",
       "prompt": "Layered paper-cut craft aesthetic with crisp scissor-cut edges (slightly irregular, hand-aware, not mathematically perfect), soft 8-12% drop shadows under each cut-paper layer giving real tactile depth, paper grain at 12% opacity over each color sheet, no outlines anywhere (shapes defined by paper edges only). Subject: a confident professional figure built as layered paper cutouts standing beside an upward growth chart constructed as stacked paper rectangles of increasing height. Single dominant composition occupying 60-70% of the canvas (hero composition). Color behavior is restrained-corporate as paper: secondary off-white #F8F9FA forms the background paper sheet (about 60%); primary deep navy #1E3A5F is the dominant paper-layer color for the figure and chart bars (about 32%); accent gold #D4AF37 appears as one small cut paper detail — a bar tip highlight or a small paper-cut sun — under 8%. Each layer casts a soft 10% drop shadow. 12% inner padding. No embedded text or letters.",
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/_manifest.md b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/_manifest.md
index bd012de3..d23fb720 100644
--- a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/_manifest.md
+++ b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/_manifest.md
@@ -10,7 +10,7 @@
 
 ---
 
-### Image 1: vector-illustration.webp
+### Image 1: vector-illustration.png
 
 | Attribute | Value |
 |---|---|
@@ -27,7 +27,7 @@ Clean flat vector illustration with bold geometric shapes, sharp edges, no gradi
 
 ---
 
-### Image 2: flat.webp
+### Image 2: flat.png
 
 | Attribute | Value |
 |---|---|
@@ -44,7 +44,7 @@ Modern flat design with crisp geometric blocks, slightly more decorative than pu
 
 ---
 
-### Image 3: 3d-isometric.webp
+### Image 3: 3d-isometric.png
 
 | Attribute | Value |
 |---|---|
@@ -61,7 +61,7 @@ Isometric 3D rendering with axonometric perspective, subtle ambient shadows at 8
 
 ---
 
-### Image 4: digital-dashboard.webp
+### Image 4: digital-dashboard.png
 
 | Attribute | Value |
 |---|---|
@@ -78,7 +78,7 @@ Polished UI dashboard aesthetic, screen-like surface with cards and chart elemen
 
 ---
 
-### Image 5: corporate-photo.webp
+### Image 5: corporate-photo.png
 
 | Attribute | Value |
 |---|---|
@@ -95,7 +95,7 @@ Editorial corporate photography, real human subject in modern office environment
 
 ---
 
-### Image 6: blueprint.webp
+### Image 6: blueprint.png
 
 | Attribute | Value |
 |---|---|
@@ -112,7 +112,7 @@ Technical schematic blueprint style, fine grid background, monospace cues, draft
 
 ---
 
-### Image 7: editorial.webp
+### Image 7: editorial.png
 
 | Attribute | Value |
 |---|---|
@@ -129,7 +129,7 @@ Magazine-style editorial infographic, refined typography hierarchy, balanced gut
 
 ---
 
-### Image 8: sketch-notes.webp
+### Image 8: sketch-notes.png
 
 | Attribute | Value |
 |---|---|
@@ -146,7 +146,7 @@ Hand-drawn sketch-notes style on warm cream paper background, black ink outlines
 
 ---
 
-### Image 9: ink-notes.webp
+### Image 9: ink-notes.png
 
 | Attribute | Value |
 |---|---|
@@ -163,7 +163,7 @@ Pure white background with sparse black ink drawing, hand-drawn linework, delibe
 
 ---
 
-### Image 10: chalkboard.webp
+### Image 10: chalkboard.png
 
 | Attribute | Value |
 |---|---|
@@ -180,7 +180,7 @@ Chalk drawing on a dark green chalkboard surface, white and pale chalk strokes w
 
 ---
 
-### Image 11: watercolor.webp
+### Image 11: watercolor.png
 
 | Attribute | Value |
 |---|---|
@@ -197,7 +197,7 @@ Painterly watercolor style with soft bleeding edges, organic color washes, sligh
 
 ---
 
-### Image 12: warm-scene.webp
+### Image 12: warm-scene.png
 
 | Attribute | Value |
 |---|---|
@@ -214,7 +214,7 @@ Golden-hour cinematic warmth, soft directional sunlight from low angle, warm col
 
 ---
 
-### Image 13: screen-print.webp
+### Image 13: screen-print.png
 
 | Attribute | Value |
 |---|---|
@@ -231,7 +231,7 @@ Halftone screen-print poster art, limited flat colors, visible halftone dot patt
 
 ---
 
-### Image 14: fantasy-animation.webp
+### Image 14: fantasy-animation.png
 
 | Attribute | Value |
 |---|---|
@@ -248,7 +248,7 @@ Hand-drawn animation style reminiscent of Studio Ghibli — soft warm linework,
 
 ---
 
-### Image 15: pixel-art.webp
+### Image 15: pixel-art.png
 
 | Attribute | Value |
 |---|---|
@@ -265,7 +265,7 @@ Hand-drawn animation style reminiscent of Studio Ghibli — soft warm linework,
 
 ---
 
-### Image 16: nature.webp
+### Image 16: nature.png
 
 | Attribute | Value |
 |---|---|
@@ -282,7 +282,7 @@ Organic earthy illustration with botanical details, hand-drawn natural forms, le
 
 ---
 
-### Image 17: minimalist-swiss.webp
+### Image 17: minimalist-swiss.png
 
 | Attribute | Value |
 |---|---|
@@ -299,7 +299,7 @@ Strict Swiss-grid minimalist composition with rigorous modular grid alignment, r
 
 ---
 
-### Image 18: glassmorphism.webp
+### Image 18: glassmorphism.png
 
 | Attribute | Value |
 |---|---|
@@ -316,7 +316,7 @@ Modern glassmorphism aesthetic with layered semi-transparent frosted-glass panel
 
 ---
 
-### Image 19: vintage-poster.webp
+### Image 19: vintage-poster.png
 
 | Attribute | Value |
 |---|---|
@@ -333,7 +333,7 @@ Mid-century modern poster aesthetic with bold geometric shapes with rounded orga
 
 ---
 
-### Image 20: paper-cut.webp
+### Image 20: paper-cut.png
 
 | Attribute | Value |
 |---|---|
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/_subject.md b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/_subject.md
index d5359fce..bdb9cbd3 100644
--- a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/_subject.md
+++ b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/_subject.md
@@ -20,7 +20,7 @@
 
 ## Naming convention
 
-Each filename is `<rendering>.webp`, matching the corresponding file under `references/image-renderings/`.
+Each filename is `<rendering>.png`, matching the corresponding file under `references/image-renderings/`.
 
 ## Why fix single-subject hero + cool-corporate
 
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/blueprint.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/blueprint.webp
index f9e33c9b..8e104475 100644
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diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/chalkboard.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/chalkboard.webp
index 4e351a45..872c4e64 100644
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diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/corporate-photo.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/corporate-photo.webp
index d21ecd39..d57bfa63 100644
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index bd6c489f..8cc56cdd 100644
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diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/editorial.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/editorial.webp
index ebad7da0..066567d1 100644
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diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/fantasy-animation.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/fantasy-animation.webp
index 6f61e55e..2085c0ed 100644
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diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/flat.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/flat.webp
index 813ed32e..fe9b47b0 100644
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diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/glassmorphism.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/glassmorphism.webp
index 1dc2c2a7..27b9cb47 100644
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index 08a163ae..92f1c790 100644
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index 4398a8f7..4bfbea23 100644
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index 444e766c..9dfe8c08 100644
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index 870f5087..094f6130 100644
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diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/screen-print.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/screen-print.webp
index 63fb1cbd..15d65aad 100644
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index 676989be..50a67856 100644
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diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/vector-illustration.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/vector-illustration.webp
index 534b3037..54df8afe 100644
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diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/vintage-poster.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/vintage-poster.webp
index a5d335ed..174c0521 100644
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diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/warm-scene.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/warm-scene.webp
index 182fbf2f..3afdc42a 100644
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diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/watercolor.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/watercolor.webp
index 9518d18b..8f89ffe8 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/watercolor.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/rendering/watercolor.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/_manifest.json b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/_manifest.json
index cee5c736..7b30ae2b 100644
--- a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/_manifest.json
+++ b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/_manifest.json
@@ -15,7 +15,7 @@
   "deck_style_anchor": "Vector-illustration rendering: clean flat vector with bold shapes, sharp edges, no gradients, no shadows. Cool-corporate palette: secondary off-white #F8F9FA dominates background (60-70%), primary deep navy #1E3A5F carries main forms, accent gold #D4AF37 in small emphasis points only.",
   "items": [
     {
-      "filename": "infographic.webp",
+      "filename": "infographic.png",
       "purpose": "Type comparison — infographic (2-5 ordered zones with icons + minimal labels)",
       "type": "infographic",
       "aspect_ratio": "4:3",
@@ -24,7 +24,7 @@
       "status": "Generated"
     },
     {
-      "filename": "flowchart.webp",
+      "filename": "flowchart.png",
       "purpose": "Type comparison — flowchart (sequential blocks connected by arrows)",
       "type": "flowchart",
       "aspect_ratio": "21:9",
@@ -33,7 +33,7 @@
       "status": "Generated"
     },
     {
-      "filename": "framework.webp",
+      "filename": "framework.png",
       "purpose": "Type comparison — framework (central node + radiating satellites)",
       "type": "framework",
       "aspect_ratio": "1:1",
@@ -42,7 +42,7 @@
       "status": "Generated"
     },
     {
-      "filename": "comparison.webp",
+      "filename": "comparison.png",
       "purpose": "Type comparison — comparison (split composition, left vs right)",
       "type": "comparison",
       "aspect_ratio": "21:9",
@@ -51,7 +51,7 @@
       "status": "Generated"
     },
     {
-      "filename": "timeline.webp",
+      "filename": "timeline.png",
       "purpose": "Type comparison — timeline (linear progression along an axis)",
       "type": "timeline",
       "aspect_ratio": "21:9",
@@ -60,7 +60,7 @@
       "status": "Generated"
     },
     {
-      "filename": "scene.webp",
+      "filename": "scene.png",
       "purpose": "Type comparison — scene (atmospheric environment with narrative)",
       "type": "scene",
       "aspect_ratio": "4:3",
@@ -69,7 +69,7 @@
       "status": "Generated"
     },
     {
-      "filename": "matrix.webp",
+      "filename": "matrix.png",
       "purpose": "Type comparison — matrix (2×2 quadrant grid)",
       "type": "matrix",
       "aspect_ratio": "1:1",
@@ -78,7 +78,7 @@
       "status": "Generated"
     },
     {
-      "filename": "cycle.webp",
+      "filename": "cycle.png",
       "purpose": "Type comparison — cycle (closed-loop process)",
       "type": "cycle",
       "aspect_ratio": "1:1",
@@ -87,7 +87,7 @@
       "status": "Generated"
     },
     {
-      "filename": "funnel.webp",
+      "filename": "funnel.png",
       "purpose": "Type comparison — funnel (top-wide bottom-narrow conversion stack)",
       "type": "funnel",
       "aspect_ratio": "3:4",
@@ -96,7 +96,7 @@
       "status": "Generated"
     },
     {
-      "filename": "pyramid.webp",
+      "filename": "pyramid.png",
       "purpose": "Type comparison — pyramid (bottom-wide top-narrow hierarchical tiers)",
       "type": "pyramid",
       "aspect_ratio": "3:4",
@@ -105,7 +105,7 @@
       "status": "Generated"
     },
     {
-      "filename": "map.webp",
+      "filename": "map.png",
       "purpose": "Type comparison — map (stylized geographic outline with annotated markers)",
       "type": "map",
       "aspect_ratio": "16:9",
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/_manifest.md b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/_manifest.md
index 47a46d24..20a2ced6 100644
--- a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/_manifest.md
+++ b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/_manifest.md
@@ -10,7 +10,7 @@
 
 ---
 
-### Image 1: infographic.webp
+### Image 1: infographic.png
 
 | Attribute | Value |
 |---|---|
@@ -28,7 +28,7 @@ Clean flat vector illustration, infographic composition with 4 evenly distribute
 
 ---
 
-### Image 2: flowchart.webp
+### Image 2: flowchart.png
 
 | Attribute | Value |
 |---|---|
@@ -46,7 +46,7 @@ Clean flat vector illustration, horizontal flowchart composition with 5 sequenti
 
 ---
 
-### Image 3: framework.webp
+### Image 3: framework.png
 
 | Attribute | Value |
 |---|---|
@@ -64,7 +64,7 @@ Clean flat vector illustration, framework composition with one central node and
 
 ---
 
-### Image 4: comparison.webp
+### Image 4: comparison.png
 
 | Attribute | Value |
 |---|---|
@@ -82,7 +82,7 @@ Clean flat vector illustration, split-screen comparison composition with a clear
 
 ---
 
-### Image 5: timeline.webp
+### Image 5: timeline.png
 
 | Attribute | Value |
 |---|---|
@@ -100,7 +100,7 @@ Clean flat vector illustration, horizontal timeline composition with a clear hor
 
 ---
 
-### Image 6: scene.webp
+### Image 6: scene.png
 
 | Attribute | Value |
 |---|---|
@@ -118,7 +118,7 @@ Clean flat vector illustration, atmospheric scene composition with environmental
 
 ---
 
-### Image 7: matrix.webp
+### Image 7: matrix.png
 
 | Attribute | Value |
 |---|---|
@@ -136,7 +136,7 @@ Clean flat vector illustration, 2×2 strategic matrix composition with two perpe
 
 ---
 
-### Image 8: cycle.webp
+### Image 8: cycle.png
 
 | Attribute | Value |
 |---|---|
@@ -154,7 +154,7 @@ Clean flat vector illustration, closed-loop cycle composition with 4 step nodes
 
 ---
 
-### Image 9: funnel.webp
+### Image 9: funnel.png
 
 | Attribute | Value |
 |---|---|
@@ -172,7 +172,7 @@ Clean flat vector illustration, vertical funnel composition with 4 horizontal ba
 
 ---
 
-### Image 10: pyramid.webp
+### Image 10: pyramid.png
 
 | Attribute | Value |
 |---|---|
@@ -190,7 +190,7 @@ Clean flat vector illustration, vertical pyramid composition with 4 horizontal s
 
 ---
 
-### Image 11: map.webp
+### Image 11: map.png
 
 | Attribute | Value |
 |---|---|
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/_subject.md b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/_subject.md
index d5ec511a..7c4d251c 100644
--- a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/_subject.md
+++ b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/_subject.md
@@ -56,7 +56,7 @@ Each type uses its own "natural container shape" (see the default container tabl
 
 ## Naming convention
 
-Each filename is `<type>.webp`, matching the corresponding file under `references/image-type-templates/`.
+Each filename is `<type>.png`, matching the corresponding file under `references/image-type-templates/`.
 
 ## How to read this set
 
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/comparison.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/comparison.webp
index e1704cfb..b24288d7 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/comparison.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/comparison.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/cycle.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/cycle.webp
index cb9d6a09..44ccaa0c 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/cycle.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/cycle.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/flowchart.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/flowchart.webp
index f50374d2..59c2ed54 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/flowchart.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/flowchart.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/framework.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/framework.webp
index 28f8af4f..4fad9e02 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/framework.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/framework.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/funnel.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/funnel.webp
index 385934e2..595934ed 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/funnel.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/funnel.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/infographic.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/infographic.webp
index 20992624..5ee801cf 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/infographic.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/infographic.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/map.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/map.webp
index d8acf0a9..d07a31a3 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/map.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/map.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/matrix.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/matrix.webp
index da581370..269da1da 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/matrix.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/matrix.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/pyramid.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/pyramid.webp
index d1a07e98..ed06714f 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/pyramid.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/pyramid.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/scene.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/scene.webp
index fd34614e..74d5f4a3 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/scene.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/scene.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/timeline.webp b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/timeline.webp
index 766d9976..ece57ef8 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/timeline.webp and b/plugins/codex/plugins/ppt-master/skills/ppt-master/references/ai-image-comparison/type/timeline.webp differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/scripts/confirm_ui/server.py b/plugins/codex/plugins/ppt-master/skills/ppt-master/scripts/confirm_ui/server.py
index f14a35fa..7a4e8cd1 100644
--- a/plugins/codex/plugins/ppt-master/skills/ppt-master/scripts/confirm_ui/server.py
+++ b/plugins/codex/plugins/ppt-master/skills/ppt-master/scripts/confirm_ui/server.py
@@ -2279,9 +2279,11 @@ def _ai_comparison_items(kind: str) -> list[dict[str, str]]:
             continue
         if not re.fullmatch(r'[A-Za-z0-9_.-]+\.png', filename):
             continue
+        # The manifest names the generated PNG; the committed copy is WebP.
+        item_id = Path(filename).stem
+        filename = f'{item_id}.webp'
         if not (_AI_IMAGE_COMPARISON_DIR / kind / filename).exists():
             continue
-        item_id = Path(filename).stem
         items.append({
             'id': item_id,
             'label': item.get('type') or item_id,
@@ -2451,7 +2453,7 @@ def create_app(
         """Serve rendering images for generated-image strategy candidates."""
         if kind != 'rendering':
             return jsonify({'error': 'invalid comparison kind'}), 404
-        if not re.fullmatch(r'[A-Za-z0-9_.-]+\.png', filename or ''):
+        if not re.fullmatch(r'[A-Za-z0-9_.-]+\.webp', filename or ''):
             return jsonify({'error': 'invalid comparison filename'}), 404
         return send_from_directory(_AI_IMAGE_COMPARISON_DIR / kind, filename)
 
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/scripts/confirm_ui/static/app.js b/plugins/codex/plugins/ppt-master/skills/ppt-master/scripts/confirm_ui/static/app.js
index 4da83bbc..b3b76761 100644
--- a/plugins/codex/plugins/ppt-master/skills/ppt-master/scripts/confirm_ui/static/app.js
+++ b/plugins/codex/plugins/ppt-master/skills/ppt-master/scripts/confirm_ui/static/app.js
@@ -1046,7 +1046,7 @@
         var value = String(id || "").trim();
         if (!value || value === "custom") return "";
         if (!/^[A-Za-z0-9_.-]+$/.test(value)) return "";
-        return "/ai-image-comparison/" + kind + "/" + encodeURIComponent(value) + ".png";
+        return "/ai-image-comparison/" + kind + "/" + encodeURIComponent(value) + ".webp";
     }
 
     function appendImageStrategyPreviews(card, candidate) {
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/scripts/prompt_audit_manifest.json b/plugins/codex/plugins/ppt-master/skills/ppt-master/scripts/prompt_audit_manifest.json
index 01dfed13..68520fbe 100644
--- a/plugins/codex/plugins/ppt-master/skills/ppt-master/scripts/prompt_audit_manifest.json
+++ b/plugins/codex/plugins/ppt-master/skills/ppt-master/scripts/prompt_audit_manifest.json
@@ -978,7 +978,7 @@
       "max_tokens": 3000
     },
     "stage.generate.customize-animations": {
-      "description": "Object-animation stage plus animation resolution rules. Ceiling raised after BUDGET_LOAD_SET reported 35742 tokens.",
+      "description": "Object-animation stage plus animation resolution rules. Ceiling raised after BUDGET_LOAD_SET reported 35742 tokens, then 40096 tokens after svg-pipeline.md documented the text-baseline model.",
       "scope": "incremental",
       "files": [
         "skills/ppt-master/workflows/stages/customize-animations.md",
@@ -987,7 +987,7 @@
         "skills/ppt-master/scripts/docs/pptx-transitions.md",
         "skills/ppt-master/scripts/docs/svg-pipeline.md"
       ],
-      "max_tokens": 40000
+      "max_tokens": 45000
     },
     "stage.generate.sound-selection": {
       "description": "Complete post-motion sound identity vocabulary after a concrete auditory cue job exists.",
@@ -1030,12 +1030,12 @@
       "max_tokens": 3250
     },
     "stage.shared.conversion-reference": {
-      "description": "Conditional source-conversion and import compatibility reference.",
+      "description": "Conditional source-conversion and import compatibility reference. Ceiling raised after BUDGET_LOAD_SET reported 7935 tokens.",
       "scope": "incremental",
       "files": [
         "skills/ppt-master/scripts/docs/conversion.md"
       ],
-      "max_tokens": 7750
+      "max_tokens": 8750
     },
     "stage.shared.troubleshooting": {
       "description": "Conditional troubleshooting reference for generation failures.",
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_badge.png b/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_badge.png
index 05f37151..129ad476 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_badge.png and b/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_badge.png differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_fullname_white.png b/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_fullname_white.png
index afe77652..80793f78 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_fullname_white.png and b/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_fullname_white.png differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_lockup_horizontal.png b/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_lockup_horizontal.png
index ca094a09..1b7b1b2f 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_lockup_horizontal.png and b/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_lockup_horizontal.png differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_lockup_horizontal_white.png b/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_lockup_horizontal_white.png
index 15913ece..8f5b3f69 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_lockup_horizontal_white.png and b/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_lockup_horizontal_white.png differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_lockup_vertical.png b/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_lockup_vertical.png
index 86c66138..69a44dd1 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_lockup_vertical.png and b/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_lockup_vertical.png differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_mark_navy.png b/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_mark_navy.png
index d5362b88..fb454e50 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_mark_navy.png and b/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_mark_navy.png differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_mark_white.png b/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_mark_white.png
index 3c87431a..892ebbe9 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_mark_white.png and b/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_mark_white.png differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_water_badge.png b/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_water_badge.png
index 899bd654..1c7d2015 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_water_badge.png and b/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_water_badge.png differ
diff --git a/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_wordmark_white.png b/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_wordmark_white.png
index 85731561..b2659bfe 100644
Binary files a/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_wordmark_white.png and b/plugins/codex/plugins/ppt-master/skills/ppt-master/templates/brands/zcare-rescue/images/zcare_wordmark_white.png differ
diff --git a/plugins/codex/plugins/shadcn/THIRD_PARTY_SOURCE.json b/plugins/codex/plugins/shadcn/THIRD_PARTY_SOURCE.json
index 9533fe49..50081f0b 100644
--- a/plugins/codex/plugins/shadcn/THIRD_PARTY_SOURCE.json
+++ b/plugins/codex/plugins/shadcn/THIRD_PARTY_SOURCE.json
@@ -2,8 +2,8 @@
   "sourceId": "shadcn",
   "repo": "https://github.com/shadcn-ui/ui.git",
   "ref": "main",
-  "commit": "debae9baea4d5c6bd0b1a857b09664db4b925818",
+  "commit": "97ddbf4274ed09d02aa7fd34375f2cf1e48cbbf0",
   "adapter": "claude-skill",
   "sourcePath": "skills/shadcn",
-  "syncedAt": "2026-10-06T16:00:00Z"
+  "syncedAt": "2026-10-07T16:00:00Z"
 }
diff --git a/plugins/codex/plugins/taste-skill/THIRD_PARTY_SOURCE.json b/plugins/codex/plugins/taste-skill/THIRD_PARTY_SOURCE.json
index 7f580813..ace34adf 100644
--- a/plugins/codex/plugins/taste-skill/THIRD_PARTY_SOURCE.json
+++ b/plugins/codex/plugins/taste-skill/THIRD_PARTY_SOURCE.json
@@ -2,8 +2,8 @@
   "sourceId": "taste-skill",
   "repo": "https://github.com/Leonxlnx/taste-skill.git",
   "ref": "main",
-  "commit": "ce26fc25c0e5e8cab638f883de62d9a86ee5e45b",
+  "commit": "b482f7a970abb98c4108d4a9f761e458c64cefc8",
   "adapter": "skill-collection",
   "sourcePath": "skills",
-  "syncedAt": "2026-09-26T16:00:00Z"
+  "syncedAt": "2026-10-07T16:00:00Z"
 }