diff --git a/.github/skills/android-tools-reviewer/SKILL.md b/.github/skills/android-tools-reviewer/SKILL.md
index 8feeaa4d..7ded5441 100644
--- a/.github/skills/android-tools-reviewer/SKILL.md
+++ b/.github/skills/android-tools-reviewer/SKILL.md
@@ -85,7 +85,7 @@ Post your findings directly:
 - **Inline comments** on specific lines of the diff with the severity, category, and explanation.
 - **Review summary** with the overall verdict (✅ LGTM, ⚠️ Needs Changes, or ❌ Reject), issue counts by severity, and positive callouts.
 
-If no issues found **and CI is green**, submit with at most one or two 💡 suggestions and a positive summary.
+If no issues found **and CI is green**, submit with one or two 💡 suggestions on key implementation lines and a positive summary. **Always post at least one inline comment** — the review submission framework requires it.
 
 **Copilot-authored PRs:** If the PR author is `Copilot` (the GitHub Copilot coding agent) and the verdict is ⚠️ Needs Changes or ❌ Reject, prefix the review summary with `@copilot ` so the comment automatically triggers Copilot to address the feedback. Do NOT add the prefix for ✅ LGTM verdicts.
 
diff --git a/.github/workflows/android-tools-reviewer.md b/.github/workflows/android-tools-reviewer.md
index 377a0d32..d55aac0c 100644
--- a/.github/workflows/android-tools-reviewer.md
+++ b/.github/workflows/android-tools-reviewer.md
@@ -50,6 +50,7 @@ A maintainer commented `/review` on this pull request. Perform a thorough code r
 
 ## Constraints
 
+- **Always post at least one inline review comment**, even for clean PRs — add a brief 💡 observation on a key implementation line. The review framework requires at least one inline comment to submit the review.
 - Only comment on added/modified lines visible in the diff.
 - One issue per inline comment.
 - If the same issue appears many times, flag it once listing all affected files.