refactor: rename command files for namespace consistency

BREAKING CHANGE: All generic command names now prefixed with plugin namespace.
See CHANGELOG.md v7.0.0 for complete rename map.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

plugins/git-flow/commands/git-commit-merge.md

@@ -0,0 +1,50 @@
+---
+name: commit-merge
+description: Commit current changes and merge branch into target
+agent: git-assistant
+---
+
+# /commit-merge - Commit and Merge
+
+## Skills
+
+- skills/visual-header.md
+- skills/commit-conventions.md
+- skills/merge-workflow.md
+- skills/git-safety.md
+- skills/environment-variables.md
+
+## Purpose
+
+Commit current changes, then merge the current branch into a target branch.
+
+## Parameters
+
+| Parameter | Description |
+|-----------|-------------|
+| `--target` | Target branch (default: GIT_DEFAULT_BASE) |
+| `--squash` | Squash commits on merge |
+| `--no-delete` | Keep branch after merge |
+
+## Workflow
+
+1. **Display header** - Show GIT-FLOW Commit & Merge header
+2. **Run /commit** - Execute standard commit workflow
+3. **Identify target** - Prompt for target branch if not specified
+4. **Select strategy** - Merge commit, squash, or rebase (per merge-workflow.md)
+5. **Execute merge** - Switch to target, pull, merge, push
+6. **Handle conflicts** - Guide resolution if needed
+7. **Cleanup** - Offer to delete merged branch (per git-safety.md)
+8. **Report** - Show merge summary
+
+## Output
+
+```
+Committed: abc1234
+feat(auth): add password reset functionality
+
+Merged feat/password-reset -> development
+Deleted branch: feat/password-reset
+
+development is now at: def5678
+```