Add Claude Code skills and streamline CLAUDE.md (#823)

* add claude code skills and streamline CLAUDE.md

* remove claude code attribution from PR skill

* update pr skill

.claude/skills/build-wasm/SKILL.md

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+---
+name: build-wasm
+description: Build the WASM plugins for Envoy. Use when WASM plugin code changes.
+---
+
+Build the WASM plugins:
+
+```
+cd crates && cargo build --release --target=wasm32-wasip1 -p llm_gateway -p prompt_gateway
+```
+
+If the build fails, diagnose and fix the errors.

.claude/skills/check/SKILL.md

@@ -0,0 +1,12 @@
+---
+name: check
+description: Run Rust fmt, clippy, and unit tests. Use after making Rust code changes.
+---
+
+Run all local checks in order:
+
+1. `cd crates && cargo fmt --all -- --check` — if formatting fails, run `cargo fmt --all` to fix it
+2. `cd crates && cargo clippy --locked --all-targets --all-features -- -D warnings` — fix any warnings
+3. `cd crates && cargo test --lib` — ensure all unit tests pass
+
+Report a summary of what passed/failed.

.claude/skills/new-provider/SKILL.md

@@ -0,0 +1,17 @@
+---
+name: new-provider
+description: Add a new LLM provider to hermesllm. Use when integrating a new AI provider.
+disable-model-invocation: true
+user-invocable: true
+---
+
+Add a new LLM provider to hermesllm. The user will provide the provider name as $ARGUMENTS.
+
+1. Add a new variant to `ProviderId` enum in `crates/hermesllm/src/providers/id.rs`
+2. Implement string parsing in the `TryFrom<&str>` impl for the new provider
+3. If the provider uses a non-OpenAI API format, create request/response types in `crates/hermesllm/src/apis/`
+4. Add variant to `ProviderRequestType` and `ProviderResponseType` enums and update all match arms
+5. Add model list to `crates/hermesllm/src/providers/provider_models.yaml`
+6. Update `SupportedUpstreamAPIs` mapping if needed
+
+After making changes, run `cd crates && cargo test --lib` to verify everything compiles and tests pass.

.claude/skills/pr/SKILL.md

@@ -0,0 +1,16 @@
+---
+name: pr
+description: Create a feature branch and open a pull request for the current changes.
+disable-model-invocation: true
+user-invocable: true
+---
+
+Create a pull request for the current changes:
+
+1. Determine the GitHub username via `gh api user --jq .login`. If the login is `adilhafeez`, use `adil` instead.
+2. Create a feature branch using format `<username>/<feature_name>` — infer the feature name from the changes
+3. Run `cd crates && cargo fmt --all -- --check` and `cd crates && cargo clippy --locked --all-targets --all-features -- -D warnings` to verify Rust code is clean
+4. Commit all changes with a short, concise commit message (one line, no Co-Authored-By)
+5. Push the branch and create a PR targeting `main`
+
+Keep the PR title short (under 70 chars). Include a brief summary in the body. Never include a "Test plan" section or any "Generated with Claude Code" attribution.

.claude/skills/release/SKILL.md

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+---
+name: release
+description: Bump the Plano version across all required files. Use when preparing a release.
+disable-model-invocation: true
+user-invocable: true
+---
+
+Prepare a release version bump. The user may provide the new version number as $ARGUMENTS (e.g., `/release 0.4.12`), or a bump type (`major`, `minor`, `patch`).
+
+If no argument is provided, read the current version from `cli/planoai/__init__.py`, auto-increment the patch version (e.g., `0.4.11` → `0.4.12`), and confirm with the user before proceeding.
+
+Update the version string in ALL of these files:
+
+- `.github/workflows/ci.yml`
+- `cli/planoai/__init__.py`
+- `cli/planoai/consts.py`
+- `cli/pyproject.toml`
+- `build_filter_image.sh`
+- `config/validate_plano_config.sh`
+- `docs/source/conf.py`
+- `docs/source/get_started/quickstart.rst`
+- `docs/source/resources/deployment.rst`
+- `apps/www/src/components/Hero.tsx`
+- `demos/llm_routing/preference_based_routing/README.md`
+
+Do NOT change version strings in `*.lock` files or `Cargo.lock`.
+
+After making changes, show a summary of all files modified and the old → new version.

.claude/skills/test-python/SKILL.md

@@ -0,0 +1,9 @@
+---
+name: test-python
+description: Run Python CLI tests. Use after making changes to cli/ code.
+---
+
+1. `cd cli && uv sync` — ensure dependencies are installed
+2. `cd cli && uv run pytest -v` — run all tests
+
+If tests fail, diagnose and fix the issues.