chore(git-harness): add CI, license, readme, and wrapper placeholders

Co-authored-by: Ben Schellenberger <bschellenberger2600@users.noreply.github.com>

Author: cursoragent

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+          cache: true
+
+      - name: Check gofmt
+        run: test -z "$(gofmt -l git safety)"
+
+      - name: Build
+        run: go build ./...
+
+      - name: Vet
+        run: go vet ./...
+
+      - name: Test
+        run: go test -race -count=1 ./...

.gitignore

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+# Local reference clones (not part of this module)
+/mnt/

LICENSE

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+MIT License
+
+Copyright (c) 2026 Benjamin Schellenberger
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# git-harness
+
+Go library extracted from [git-fire](https://github.com/git-fire/git-fire): subprocess-oriented git helpers and small safety utilities.
+
+**Module:** `github.com/git-fire/git-harness`
+
+## Packages
+
+- **`git`** — repository scanning, status, commits, pushes, worktrees, and related helpers.
+- **`safety`** — redaction and secret-pattern scanning helpers used by git error paths.
+
+## Requirements
+
+- Go **1.24**+ (see `go.mod`).
+- **`git`** on `PATH` for tests and runtime (package shells out to the git binary).
+
+## Development
+
+```bash
+go build ./...
+go vet ./...
+go test -race -count=1 ./...
+```
+
+## Stability
+
+`v0.x` releases may change APIs; pin a minor or patch version in consumers.
+
+## License
+
+MIT — see [LICENSE](LICENSE).