chore(config): add .tmp/ repo directory for agent temp files

Gitignored .tmp/ avoids Bash permission prompts when writing
temp files for tea comment posting. Added sed -n blanket
permission. Updated review-pr skill to use Write tool into
.tmp/ instead of Bash heredocs to /tmp/.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.claude/settings.json

@@ -50,6 +50,7 @@
       "Bash(find *)",
       "Bash(list *)",
       "Bash(tree *)",
+      "Bash(sed -n *)",
 
       "Skill(commit)",
       "Skill(worktree-update)",

.claude/skills/review-pr/SKILL.md

@@ -156,19 +156,16 @@ Note: `tea pr reject` does not work on your own PRs. Use `tea comment` instead.
 **IMPORTANT — `tea comment` hangs with inline heredocs and multi-line strings.**
 Always use a two-step approach: write to a temp file first, then pass via `$(cat)`:
 
-```bash
-# Step 1: Write review to temp file (use Bash heredoc, NOT the Write tool)
-cat > /tmp/review-<branch>.md << 'EOF'
-## Review: <branch> -> main
-...review content...
-EOF
+```
+# Step 1: Write review to .tmp/ using the Write tool (no permission prompt)
+Write(file_path: "<repo_root>/.tmp/review-<branch>.md", content: "...review content...")
 
 # Step 2: Post to Gitea (separate Bash call)
-tea comment --login schweitz --repo jpmschweitzer/settled-reach <PR_NUMBER> "$(cat /tmp/review-<branch>.md)"
+tea comment --login schweitz --repo jpmschweitzer/settled-reach <PR_NUMBER> "$(cat .tmp/review-<branch>.md)"
 ```
 
-These MUST be separate sequential Bash calls — do not chain them in a single
-command. The heredoc write must complete before `tea comment` reads the file.
+Use the Write tool for step 1 (avoids Bash permission prompts). The `.tmp/`
+directory is gitignored and exists in the repo root for this purpose.
 
 ## 7. Merging approved PRs
 

.gitignore

@@ -1,5 +1,6 @@
 # Build and cache
 .cache/
+.tmp/
 server/target/
 tooling/content-converter/target/
 tooling/line-previewer/target/