refactor: remove git-cli skill and all references (#397)

- Delete devflow/cli_skills/git-cli/SKILL.md entirely
- Remove git-cli mentions from skill lists, comments, and discovery docs
- Update cross-references in daf-workflow, gh-cli, glab-cli, and daf-cli skills
- Update installation, uninstall, and skills management documentation

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: Claude <noreply@anthropic.com>

Author: itdove

devflow/cli/commands/skills_command.py

@@ -679,7 +679,7 @@ def _list_skills(
             for skill in skills:
                 # Determine type based on naming convention
                 # Skills starting with "daf-" are user-invocable commands
-                # Others (gh-cli, git-cli, glab-cli) are reference documentation
+                # Others (gh-cli, glab-cli) are reference documentation
                 if skill.startswith("daf-"):
                     skill_type = "Command"
                 else:

devflow/cli/main.py

@@ -3823,7 +3823,7 @@ def upgrade(
 
     Skills installed:
     - Slash commands: /daf-active, /daf-help, /daf-info, etc.
-    - Reference skills: daf-cli, gh-cli, git-cli, glab-cli
+    - Reference skills: daf-cli, gh-cli, glab-cli
     - Hierarchical skills from organization config files
 
     Items that are already up-to-date will be skipped.

devflow/cli/skills_discovery.py

@@ -55,7 +55,7 @@ def _scan_skill_dir(skill_file: Path, skill_dir_name: str) -> Optional[tuple[str
 
         return (str(skill_file.resolve()), description)
 
-    # 1. User-level skills: ~/.claude/skills/ (or $CLAUDE_CONFIG_DIR/skills/) - generic skills like daf-cli, git-cli
+    # 1. User-level skills: ~/.claude/skills/ (or $CLAUDE_CONFIG_DIR/skills/) - generic skills like daf-cli, gh-cli
     if include_levels is None or "user" in include_levels:
         user_skills_dir = get_claude_config_dir() / "skills"
         if user_skills_dir.exists():

devflow/cli_skills/daf-cli/SKILL.md

@@ -93,7 +93,7 @@ DevAIFlow automatically discovers skills from multiple locations in a specific o
 
 ### Discovery Order (Load Order)
 
-1. **User-level**: `~/.claude/skills/` - Generic skills (daf-cli, git-cli, gh-cli, etc.)
+1. **User-level**: `~/.claude/skills/` - Generic skills (daf-cli, gh-cli, glab-cli, etc.)
 2. **Workspace-level**: `<workspace>/.claude/skills/` - Workspace-specific tools
 3. **Hierarchical**: `$DEVAIFLOW_HOME/.claude/skills/` - Organization-specific extensions
 4. **Project-level**: `<project>/.claude/skills/` - Project-specific skills

devflow/cli_skills/daf-workflow/SKILL.md

@@ -197,7 +197,7 @@ daf git add-comment owner/repo#123 "Fixed authentication bug"
 ```
 
 **Do NOT:**
-- ❌ Create git commits (see **git-cli skill**)
+- ❌ Create git commits (handled by `daf complete`)
 - ❌ Create pull/merge requests (see **gh-cli** and **glab-cli skills**)
 - ❌ Run user-facing `daf` commands (new, open, complete, config, init, upgrade)
 
@@ -378,7 +378,6 @@ daf investigate PROJ-12345 --goal "Custom investigation focus"
 
 **See these skills for detailed documentation:**
 - **daf-cli skill** - Command syntax, flags, and examples
-- **git-cli skill** - Git command restrictions and rationale
 - **gh-cli skill** - GitHub PR restrictions and workflow
 - **glab-cli skill** - GitLab MR restrictions and workflow
 

devflow/cli_skills/gh-cli/SKILL.md

@@ -630,6 +630,5 @@ git remote add upstream https://github.com/original-owner/repo.git
 ## See Also
 
 - daf tool operations: See daf-cli skill
-- Git operations: See git-cli skill
 - GitLab MR creation: See glab-cli skill
 - GitHub CLI documentation: https://cli.github.com/manual/