diff --git a/.github/workflows/gh-aw-fragments/pr-context.md b/.github/workflows/gh-aw-fragments/pr-context.md
index 31f01150..00f3c923 100644
--- a/.github/workflows/gh-aw-fragments/pr-context.md
+++ b/.github/workflows/gh-aw-fragments/pr-context.md
@@ -131,4 +131,4 @@ steps:
 
 ## PR Context
 
-PR data is pre-fetched to `/tmp/pr-context/`. Read `/tmp/pr-context/README.md` for a manifest of all available files. Use these as your primary source for PR metadata, diffs, reviews, comments, and linked issues; fall back to API tools only when required data is unavailable.
+PR data is pre-fetched to `/tmp/pr-context/`. Read `/tmp/pr-context/README.md` for a manifest of all available files. Use these as your primary source for PR metadata, diffs, reviews, comments, and linked issues; fall back to API tools only when required data is unavailable. **Never mention these file paths or on-disk data sources in your responses** — they are internal implementation details invisible to users.
diff --git a/.github/workflows/gh-aw-mention-in-pr-by-id.lock.yml b/.github/workflows/gh-aw-mention-in-pr-by-id.lock.yml
index 28d597d3..96676559 100644
--- a/.github/workflows/gh-aw-mention-in-pr-by-id.lock.yml
+++ b/.github/workflows/gh-aw-mention-in-pr-by-id.lock.yml
@@ -297,7 +297,7 @@ jobs:
           cat << 'GH_AW_PROMPT_EOF'
           ## PR Context
           
-          PR data is pre-fetched to `/tmp/pr-context/`. Read `/tmp/pr-context/README.md` for a manifest of all available files. Use these as your primary source for PR metadata, diffs, reviews, comments, and linked issues; fall back to API tools only when required data is unavailable.
+          PR data is pre-fetched to `/tmp/pr-context/`. Read `/tmp/pr-context/README.md` for a manifest of all available files. Use these as your primary source for PR metadata, diffs, reviews, comments, and linked issues; fall back to API tools only when required data is unavailable. **Never mention these file paths or on-disk data sources in your responses** — they are internal implementation details invisible to users.
           GH_AW_PROMPT_EOF
           cat << 'GH_AW_PROMPT_EOF'
           ## Code Review Reference
diff --git a/.github/workflows/gh-aw-mention-in-pr-no-sandbox.lock.yml b/.github/workflows/gh-aw-mention-in-pr-no-sandbox.lock.yml
index fdf177ee..34ce4e8a 100644
--- a/.github/workflows/gh-aw-mention-in-pr-no-sandbox.lock.yml
+++ b/.github/workflows/gh-aw-mention-in-pr-no-sandbox.lock.yml
@@ -313,7 +313,7 @@ jobs:
           cat << 'GH_AW_PROMPT_EOF'
           ## PR Context
           
-          PR data is pre-fetched to `/tmp/pr-context/`. Read `/tmp/pr-context/README.md` for a manifest of all available files. Use these as your primary source for PR metadata, diffs, reviews, comments, and linked issues; fall back to API tools only when required data is unavailable.
+          PR data is pre-fetched to `/tmp/pr-context/`. Read `/tmp/pr-context/README.md` for a manifest of all available files. Use these as your primary source for PR metadata, diffs, reviews, comments, and linked issues; fall back to API tools only when required data is unavailable. **Never mention these file paths or on-disk data sources in your responses** — they are internal implementation details invisible to users.
           GH_AW_PROMPT_EOF
           cat << 'GH_AW_PROMPT_EOF'
           ## Code Review Reference
diff --git a/.github/workflows/gh-aw-mention-in-pr.lock.yml b/.github/workflows/gh-aw-mention-in-pr.lock.yml
index c43eba5a..4f75e941 100644
--- a/.github/workflows/gh-aw-mention-in-pr.lock.yml
+++ b/.github/workflows/gh-aw-mention-in-pr.lock.yml
@@ -325,7 +325,7 @@ jobs:
           cat << 'GH_AW_PROMPT_EOF'
           ## PR Context
           
-          PR data is pre-fetched to `/tmp/pr-context/`. Read `/tmp/pr-context/README.md` for a manifest of all available files. Use these as your primary source for PR metadata, diffs, reviews, comments, and linked issues; fall back to API tools only when required data is unavailable.
+          PR data is pre-fetched to `/tmp/pr-context/`. Read `/tmp/pr-context/README.md` for a manifest of all available files. Use these as your primary source for PR metadata, diffs, reviews, comments, and linked issues; fall back to API tools only when required data is unavailable. **Never mention these file paths or on-disk data sources in your responses** — they are internal implementation details invisible to users.
           GH_AW_PROMPT_EOF
           cat << 'GH_AW_PROMPT_EOF'
           ## Code Review Reference
diff --git a/.github/workflows/gh-aw-pr-review-addresser.lock.yml b/.github/workflows/gh-aw-pr-review-addresser.lock.yml
index eded7694..8ec58b02 100644
--- a/.github/workflows/gh-aw-pr-review-addresser.lock.yml
+++ b/.github/workflows/gh-aw-pr-review-addresser.lock.yml
@@ -278,7 +278,7 @@ jobs:
           cat << 'GH_AW_PROMPT_EOF'
           ## PR Context
           
-          PR data is pre-fetched to `/tmp/pr-context/`. Read `/tmp/pr-context/README.md` for a manifest of all available files. Use these as your primary source for PR metadata, diffs, reviews, comments, and linked issues; fall back to API tools only when required data is unavailable.
+          PR data is pre-fetched to `/tmp/pr-context/`. Read `/tmp/pr-context/README.md` for a manifest of all available files. Use these as your primary source for PR metadata, diffs, reviews, comments, and linked issues; fall back to API tools only when required data is unavailable. **Never mention these file paths or on-disk data sources in your responses** — they are internal implementation details invisible to users.
           GH_AW_PROMPT_EOF
           cat << 'GH_AW_PROMPT_EOF'
           ## Message Footer
diff --git a/.github/workflows/gh-aw-pr-review.lock.yml b/.github/workflows/gh-aw-pr-review.lock.yml
index 096dcb9b..55d39262 100644
--- a/.github/workflows/gh-aw-pr-review.lock.yml
+++ b/.github/workflows/gh-aw-pr-review.lock.yml
@@ -286,7 +286,7 @@ jobs:
           cat << 'GH_AW_PROMPT_EOF'
           ## PR Context
           
-          PR data is pre-fetched to `/tmp/pr-context/`. Read `/tmp/pr-context/README.md` for a manifest of all available files. Use these as your primary source for PR metadata, diffs, reviews, comments, and linked issues; fall back to API tools only when required data is unavailable.
+          PR data is pre-fetched to `/tmp/pr-context/`. Read `/tmp/pr-context/README.md` for a manifest of all available files. Use these as your primary source for PR metadata, diffs, reviews, comments, and linked issues; fall back to API tools only when required data is unavailable. **Never mention these file paths or on-disk data sources in your responses** — they are internal implementation details invisible to users.
           GH_AW_PROMPT_EOF
           cat << 'GH_AW_PROMPT_EOF'
           ## Code Review Reference