feat(skills): 初始化多技能包并完善发布流程

- 新增 git-push skill 与 agent 元数据，加入安全推送与 commit message 规范

- 新增 xiaohongshu-engage / xiaohongshu-publish-note 两个技能及元数据

- 新增 gemini-image-web skill、元数据与下载整理脚本

- 新增 .gitignore 以忽略常见生成产物

skills/git-push/SKILL.md

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+---
+name: git-push
+description: "Standardize safe Git push workflows: inspect repository state, configure identity, normalize staging with .gitignore, create or repair local commits (with guarded root-commit rollback), configure remote URLs, and push current branch via SSH or HTTPS with troubleshooting. Use when users ask to initialize repos, prepare clean commits, push to GitLab/GitHub, or resolve auth/push errors."
+---
+
+# Git Push
+
+## Workflow
+
+1. Inspect current repository status and risk.
+2. Configure local identity if needed.
+3. Normalize staging with `.gitignore`.
+4. Create or repair commits with a consistent commit-message policy.
+5. Configure remote URL and auth strategy.
+6. Push current branch and verify results.
+7. Return a concise operation report.
+
+## 1) Inspect Repository State
+
+- Run baseline checks:
+  - `git status --short --branch`
+  - `git rev-parse --abbrev-ref HEAD`
+  - `git log --oneline -n 5` (only if `HEAD` exists)
+  - `git remote -v`
+- Detect whether `HEAD` exists before using `HEAD~1`.
+- If unexpected file mutations appear during the run, stop and ask the user before continuing.
+- Never discard user changes by default.
+
+## 2) Configure Local Identity
+
+- If missing or explicitly requested, set:
+  - `git config --local user.name "<name>"`
+  - `git config --local user.email "<email>"`
+- Verify with:
+  - `git config --local --get user.name`
+  - `git config --local --get user.email`
+
+## 3) Normalize Staging With .gitignore
+
+- Ensure `.gitignore` contains generated artifacts when applicable:
+  - `output/`
+  - `.playwright-cli/`
+  - `__pycache__/`
+  - `*.pyc`
+  - `.DS_Store`
+- If ignored files are already tracked, untrack only matching paths first:
+  - `git rm -r --cached -- output .playwright-cli __pycache__`
+  - `git rm --cached -- '*.pyc' '.DS_Store'`
+- Rebuild whole index (`git rm -r --cached . && git add .`) only when user explicitly confirms.
+- Re-check staged files before commit.
+
+## 4) Create Or Repair Commits
+
+- Use this commit-message format by default:
+  - `<type>(<scope>): <summary>`
+- Allowed `type` values:
+  - `feat`
+  - `fix`
+  - `docs`
+  - `refactor`
+  - `test`
+  - `chore`
+- `scope` policy:
+  - Prefer including scope for multi-module repositories.
+  - Prefer `skill/git-push` for this skill.
+  - Allow omitting scope when the target area is unclear.
+- `summary` policy:
+  - Use present tense and one sentence.
+  - Keep it short and specific (about 20-60 characters when practical).
+  - Do not end with a period.
+- If the user provides an explicit commit message, use it as-is.
+- Auto-select `type` when user does not specify:
+  - Docs-only changes -> `docs`
+  - Test-only changes -> `test`
+  - Behavior/workflow additions or changes -> `feat`
+  - Bug/risk fixes -> `fix`
+  - Misc maintenance -> `chore`
+- Example messages:
+  - `feat(skill/git-push): unify naming and harden safe push defaults`
+  - `docs(skill/git-push): document commit message policy`
+
+- Create commit:
+  - `git commit -m "<type(scope): summary>"`
+- Undo latest commit but keep staged changes:
+  - `git reset --soft HEAD~1`
+- If only a root commit exists and user asks to undo it, run only after explicit confirmation that history is unpublished:
+  - `git rev-list --count HEAD` (must be `1`)
+  - `git status --short --branch` (no upstream tracking to remote)
+  - `branch=$(git symbolic-ref --short HEAD)`
+  - `git update-ref -d "refs/heads/$branch"`
+- Avoid destructive commands (`git reset --hard`) unless explicitly requested.
+
+## 5) Configure Remote
+
+- Add origin when missing:
+  - `git remote add origin <url>`
+- Replace origin URL when needed:
+  - `git remote set-url origin <url>`
+- Migrate existing origin if required:
+  - `git remote rename origin old-origin`
+  - `git remote add origin <url>`
+- Verify connectivity:
+  - `git ls-remote origin`
+
+## 6) Choose Authentication Strategy
+
+- Prefer SSH when server accepts user key.
+- Fall back to HTTPS + Personal Access Token (PAT) when SSH fails or policy requires.
+- SSH diagnostics:
+  - `ssh -T git@<host>`
+  - `ssh -vT git@<host>`
+- HTTPS push:
+  - `git push --set-upstream origin <branch>`
+- If prompted for HTTPS password, enter PAT (not account password).
+
+## 7) Push Recipes
+
+- Detect current branch:
+  - `branch=$(git symbolic-ref --short HEAD)`
+- Default push (new or existing repository):
+  - `git push --set-upstream origin "$branch"`
+- Push all branches/tags only when user explicitly requests bulk publish:
+  - `git push origin --all`
+  - `git push origin --tags`
+- Post-push verification:
+  - `git remote -v`
+  - `git branch -vv`
+
+## 8) Failure Handling
+
+- `Permission denied (publickey)`:
+  - Confirm key type is supported by remote.
+  - Confirm expected fingerprint matches uploaded key.
+  - Confirm key is loaded and offered by ssh client.
+- `could not read Username`:
+  - Use interactive terminal or credential helper.
+  - Retry with username + PAT.
+- `repository not found`:
+  - Confirm remote URL path and account permission.
+- `non-fast-forward`:
+  - Fetch and rebase/merge per user preference, then retry push.
+
+## 9) Boundaries
+
+- Never force-push by default.
+- Never rewrite published history unless user explicitly requests it.
+- Never commit secrets or token files intentionally.
+- Always report commands run plus resulting branch/remote status.

skills/git-push/agents/openai.yaml

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+interface:
+  display_name: "Git Push"
+  short_description: "Prepare clean commits and push safely"
+  default_prompt: "Use $git-push to inspect repo state, clean staging with .gitignore, repair local commits when needed, and push the current branch to GitLab/GitHub via SSH or HTTPS with safe troubleshooting. Generate commit messages using <type>(<scope>): <summary> by default, while honoring explicit user-provided messages."