diff --git a/skills/baoyu-article-illustrator/SKILL.md b/skills/baoyu-article-illustrator/SKILL.md
index 1922b3a..fd74bbe 100644
--- a/skills/baoyu-article-illustrator/SKILL.md
+++ b/skills/baoyu-article-illustrator/SKILL.md
@@ -303,10 +303,15 @@ illustrations/{topic-slug}/
 
 | Action | Steps |
 |--------|-------|
-| **Edit** | Update prompt → Regenerate → Update reference |
+| **Edit** | **Update prompt file FIRST** → Regenerate → Update reference |
 | **Add** | Identify position → Create prompt → Generate → Update outline → Insert |
 | **Delete** | Delete files → Remove reference → Update outline |
 
+**IMPORTANT**: When updating illustrations, ALWAYS update the prompt file (`prompts/illustration-{slug}.md`) FIRST before regenerating. This ensures:
+1. Changes are documented and reproducible
+2. The prompt reflects the new requirements
+3. Future regeneration uses the correct prompt
+
 ## References
 
 | File | Content |
diff --git a/skills/baoyu-comic/SKILL.md b/skills/baoyu-comic/SKILL.md
index 6f48868..bacecc1 100644
--- a/skills/baoyu-comic/SKILL.md
+++ b/skills/baoyu-comic/SKILL.md
@@ -259,6 +259,16 @@ Schema: [references/config/preferences-schema.md](references/config/preferences-
 - [config/first-time-setup.md](references/config/first-time-setup.md) - First-time setup
 - [config/watermark-guide.md](references/config/watermark-guide.md) - Watermark configuration
 
+## Page Modification
+
+| Action | Steps |
+|--------|-------|
+| **Edit** | **Update prompt file FIRST** → `--regenerate N` → Regenerate PDF |
+| **Add** | Create prompt at position → Generate with character ref → Renumber subsequent → Update storyboard → Regenerate PDF |
+| **Delete** | Remove files → Renumber subsequent → Update storyboard → Regenerate PDF |
+
+**IMPORTANT**: When updating pages, ALWAYS update the prompt file (`prompts/NN-{cover|page}-[slug].md`) FIRST before regenerating. This ensures changes are documented and reproducible.
+
 ## Notes
 
 - Image generation: 10-30 seconds per page
diff --git a/skills/baoyu-cover-image/SKILL.md b/skills/baoyu-cover-image/SKILL.md
index 7b4e1d6..1cb06d9 100644
--- a/skills/baoyu-cover-image/SKILL.md
+++ b/skills/baoyu-cover-image/SKILL.md
@@ -258,8 +258,10 @@ Files:
 
 | Action | Steps |
 |--------|-------|
-| **Regenerate** | Backup existing → Update prompt → Regenerate with same settings |
-| **Change dimension** | Backup existing → Confirm new value → Update prompt → Regenerate |
+| **Regenerate** | Backup existing → **Update prompt file FIRST** → Regenerate with same settings |
+| **Change dimension** | Backup existing → Confirm new value → **Update prompt file FIRST** → Regenerate |
+
+**IMPORTANT**: When regenerating, ALWAYS update the prompt file (`prompts/cover.md`) FIRST before regenerating. This ensures changes are documented and reproducible.
 
 All modifications automatically backup existing `cover.png` before regenerating.
 
diff --git a/skills/baoyu-slide-deck/SKILL.md b/skills/baoyu-slide-deck/SKILL.md
index 0a0e35c..d47b3df 100644
--- a/skills/baoyu-slide-deck/SKILL.md
+++ b/skills/baoyu-slide-deck/SKILL.md
@@ -626,16 +626,18 @@ Flow:
 
 | Action | Command | Manual Steps |
 |--------|---------|--------------|
-| **Edit** | `--regenerate N` | Update prompt → Regenerate image → Regenerate PDF |
+| **Edit** | `--regenerate N` | **Update prompt file FIRST** → Regenerate image → Regenerate PDF |
 | **Add** | Manual | Create prompt → Generate image → Renumber subsequent → Update outline → Regenerate PDF |
 | **Delete** | Manual | Remove files → Renumber subsequent → Update outline → Regenerate PDF |
 
 ### Edit Single Slide
 
-1. Update prompt in `prompts/NN-slide-{slug}.md`
+1. **Update prompt file FIRST** in `prompts/NN-slide-{slug}.md`
 2. Run: `/baoyu-slide-deck <dir> --regenerate N`
 3. Or manually regenerate image + PDF
 
+**IMPORTANT**: When updating slides, ALWAYS update the prompt file (`prompts/NN-slide-{slug}.md`) FIRST before regenerating. This ensures changes are documented and reproducible.
+
 ### Add New Slide
 
 1. Create prompt at position: `prompts/NN-slide-{new-slug}.md`
diff --git a/skills/baoyu-xhs-images/SKILL.md b/skills/baoyu-xhs-images/SKILL.md
index c122ed0..c51e8d8 100644
--- a/skills/baoyu-xhs-images/SKILL.md
+++ b/skills/baoyu-xhs-images/SKILL.md
@@ -403,10 +403,12 @@ Files:
 
 | Action | Steps |
 |--------|-------|
-| **Edit** | Update prompt → Regenerate with same session ID |
+| **Edit** | **Update prompt file FIRST** → Regenerate with same session ID |
 | **Add** | Specify position → Create prompt → Generate → Renumber subsequent files (NN+1) → Update outline |
 | **Delete** | Remove files → Renumber subsequent (NN-1) → Update outline |
 
+**IMPORTANT**: When updating images, ALWAYS update the prompt file (`prompts/NN-{type}-[slug].md`) FIRST before regenerating. This ensures changes are documented and reproducible.
+
 ## Content Breakdown Principles
 
 1. **Cover (Image 1)**: Hook + visual impact → `sparse` layout