diff --git a/PRD.md b/PRD.md
index bf48310..70b545b 100644
--- a/PRD.md
+++ b/PRD.md
@@ -48,6 +48,9 @@ Teams need a clear, zero-knowledge onboarding path for AI tools, setup, and usag
 - Editor plugins and extensions are approved for use.
 - A shared location for skills and updates.
 
+## Documentation Sync
+When scope, workflows, or structure change, update PRD, README, and Agents together.
+
 ## Risks and Mitigations
 - Outdated instructions: set a review cadence.
 - Unclear ownership: assign section owners.
diff --git a/README.md b/README.md
index def0244..e388056 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@ This repo contains the source markdown for a Confluence-ready AI documentation s
 - [AI Docs Index](docs/ai/index.md)
 - [Agents](Agents.md)
 - [PRD](PRD.md)
+- [AI Docs Plan](docs/planning/AI-Docs-Plan.md)
 
 ## How to Use
 1. Start at the [AI Docs Index](docs/ai/index.md).
@@ -16,6 +17,7 @@ This repo contains the source markdown for a Confluence-ready AI documentation s
 - Edit files in docs/ai.
 - Keep sections short and scannable.
 - Avoid vendor-specific step details that change frequently.
+- Keep Agents, PRD, and README in sync when scope or structure changes.
 
 ## Publish to Confluence
 1. Copy the page content from each markdown file.
diff --git a/docs/planning/AI-Docs-Plan.md b/docs/planning/AI-Docs-Plan.md
new file mode 100644
index 0000000..7e169c0
--- /dev/null
+++ b/docs/planning/AI-Docs-Plan.md
@@ -0,0 +1,50 @@
+# AI Documentation Plan
+
+## Purpose
+Keep the planning view of the docs hierarchy, scope, and future work. This is a planning artifact, not the published content.
+
+## Current Docs Location
+- docs/ai/
+
+## Confluence Mapping
+The docs under docs/ai map 1:1 to Confluence pages.
+
+## Top-Level Hierarchy (Confluence)
+1. AI Overview
+2. iOS (Xcode + optional VS Code)
+3. Android (VS Code)
+4. Cross-Platform AI Usage
+5. Skills Library
+6. Usage and Token Budgeting
+7. Troubleshooting and FAQ
+8. Governance, Privacy, and Policy
+
+## Folder Structure (Current)
+- docs/
+  - ai/
+    - index.md
+    - overview.md
+    - ios.md
+    - android.md
+    - cross-platform.md
+    - skills.md
+    - usage-tokens.md
+    - troubleshooting.md
+    - governance.md
+  - planning/
+    - AI-Docs-Plan.md
+
+## Open Items
+- Add repo links for each skill in the Skills Library.
+- Add screenshots for setup flows.
+- Define section owners and review cadence.
+- Add platform-specific prompt examples.
+
+## Risks
+- Docs drift as tools and plugins update.
+- Unclear ownership leads to stale content.
+
+## Mitigations
+- Review cadence every quarter.
+- Assign owners per section.
+- Keep setup steps high level; link to vendor docs when needed.