chore(skills): add commit step to push-pr workflow

push-pr now runs /commit first when uncommitted changes are detected,
making it a one-stop commit→push→PR command. Added Skill to
allowed-tools for cross-skill invocation.

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

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

@@ -8,7 +8,7 @@ description: >
   existing PR was updated. NEVER merges the PR into main — this skill only
   pushes to the branch and manages the PR lifecycle.
 user-invocable: true
-allowed-tools: Bash, Read, Grep, Glob, AskUserQuestion
+allowed-tools: Bash, Read, Grep, Glob, AskUserQuestion, Skill
 ---
 
 # Push PR Skill
@@ -34,17 +34,29 @@ git branch --show-current
 
 If on `main`, stop: "You're on main. Switch to a team branch first."
 
-### 2. Check for unpushed commits
+### 2. Commit uncommitted changes
+
+```bash
+git status
+```
+
+If there are uncommitted changes (staged or unstaged), run the **commit skill**
+first. Use the `/commit` skill to group changes into logical commits with
+proper conventional commit messages. Wait for commit to complete before
+proceeding.
+
+If the working tree is clean (no uncommitted changes), skip to step 3.
+
+### 3. Check for unpushed commits
 
 ```bash
 git fetch --all
-git status
 git log --oneline origin/<branch>..<branch>
 ```
 
-If no unpushed commits, skip to step 4 (PR check).
+If no unpushed commits, skip to step 5 (PR check).
 
-### 3. Check for conflicts with main
+### 4. Check for conflicts with main
 
 ```bash
 git merge-tree --write-tree origin/main HEAD 2>&1
@@ -59,7 +71,7 @@ git merge origin/main --no-edit
 If merge conflicts, **stop and report** — let the user resolve.
 If clean, continue.
 
-### 4. Push
+### 5. Push
 
 ```bash
 git push origin <branch>
@@ -67,7 +79,7 @@ git push origin <branch>
 
 If push fails, stop and report. Never force-push without explicit request.
 
-### 5. Check for existing PR
+### 6. Check for existing PR
 
 ```bash
 tea pr list --login schweitz --repo jpmschweitzer/settled-reach --state open --output simple
@@ -76,9 +88,9 @@ tea pr list --login schweitz --repo jpmschweitzer/settled-reach --state open --o
 Match current branch name in PR list.
 
 - **PR exists**: Report "Pushed N commits to `<branch>`. PR #X updated." Done.
-- **No PR**: Continue to step 6.
+- **No PR**: Continue to step 7.
 
-### 6. Create a new PR
+### 7. Create a new PR
 
 ```bash
 git log --oneline main..<branch>
@@ -103,7 +115,7 @@ tea pr create \
 
 Report PR URL when done.
 
-### 7. Update ticket status to review
+### 8. Update ticket status to review
 
 Scan all commit messages in the PR for ticket references (`#NNN`):