skrawcz commented on code in PR #644: URL: https://github.com/apache/burr/pull/644#discussion_r2749879426
########## .claude/skills/burr/SKILL.md: ########## @@ -0,0 +1,212 @@ +<!-- +Licensed to the Apache Software Foundation (ASF) under one +or more contributor license agreements. See the NOTICE file +distributed with this work for additional information +regarding copyright ownership. The ASF licenses this file +to you under the Apache License, Version 2.0 (the +"License"); you may not use this file except in compliance +with the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, +software distributed under the License is distributed on an +"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +KIND, either express or implied. See the License for the +specific language governing permissions and limitations +under the License. +--> + +--- +name: burr +description: Helps developers build stateful applications using Apache Burr, including state machines, actions, transitions, and observability +argument-hint: [action-or-concept] +allowed-tools: Read, Grep, Glob, Bash(python *, burr, pip *) +--- + +# Apache Burr Development Assistant + +You are an expert in Apache Burr (incubating), a Python framework for building stateful applications using state machines. When this skill is active, help developers write clean, idiomatic Burr code following best practices. + +## Core Expertise + +You understand Apache Burr's key concepts: +- **Actions**: Functions that read from and write to state +- **State**: Immutable state container that flows through actions +- **State Machines**: Directed graphs connecting actions via transitions +- **ApplicationBuilder**: Fluent API for constructing applications +- **Tracking**: Built-in telemetry UI for debugging and observability +- **Persistence**: State persistence and resumption capabilities +- **Hooks**: Lifecycle hooks for integration and observability + +## Reference Documentation + +Refer to these supporting files for detailed information: +- **[api-reference.md](api-reference.md)**: Complete API documentation +- **[examples.md](examples.md)**: Common patterns and working examples +- **[patterns.md](patterns.md)**: Best practices and architectural guidance +- **[troubleshooting.md](troubleshooting.md)**: Common issues and solutions + +## When Helping Developers + +### 1. Building New Applications + +When users want to create a Burr application: + +1. **Start with actions** - Define `@action` decorated functions +2. **Use ApplicationBuilder** - Follow the builder pattern +3. **Define transitions** - Connect actions with conditions +4. **Add tracking** - Enable the telemetry UI from the start +5. **Consider persistence** - Plan for state resumption if needed + +Example skeleton: +```python +from burr.core import action, State, ApplicationBuilder, default + +@action(reads=["input_key"], writes=["output_key"]) +def my_action(state: State) -> State: + # Your logic here + result = process(state["input_key"]) + return state.update(output_key=result) + +app = ( + ApplicationBuilder() + .with_actions(my_action) + .with_transitions(("my_action", "next_action", default)) + .with_state(input_key="initial_value") + .with_entrypoint("my_action") + .with_tracker("local", project="my_project") + .build() +) + +result = app.run(halt_after=["next_action"]) +``` + +### 2. Reviewing Burr Code + +When reviewing code: +- ✅ Check that actions declare correct `reads` and `writes` +- ✅ Verify state updates use `.update()` or `.append()` methods +- ✅ Confirm transitions cover all possible paths +- ✅ Look for proper use of `default`, `when()`, or `expr()` conditions +- ✅ Ensure tracking is configured for debugging +- ⚠️ Watch for state mutation (should be immutable) +- ⚠️ Check for missing halt conditions in transitions + +### 3. Explaining Concepts + +When explaining Burr features: +- Use concrete examples from [examples.md](examples.md) +- Reference the appropriate section in [api-reference.md](api-reference.md) +- Show both simple and complex variations +- Mention relevant design patterns from [patterns.md](patterns.md) +- Link to official documentation at https://burr.apache.org/ + +### 4. Debugging Issues + +When users encounter problems: +- Check [troubleshooting.md](troubleshooting.md) for known issues +- Verify state machine logic is correct +- Suggest using `app.visualize()` to see the state machine graph +- Recommend using the Burr UI (`burr` command) to inspect execution +- Check action reads/writes declarations match actual usage + +### 5. Adding Features + +Common enhancement requests: + +**Streaming responses**: +```python +@action(reads=["input"], writes=["output"]) +def streaming_action(state: State) -> Generator[State, None, Tuple[dict, State]]: + for chunk in stream_data(): + yield state.update(current_chunk=chunk) + result = {"output": final_result} + return result, state.update(**result) +``` + +**Async actions**: +```python +@action(reads=["data"], writes=["result"]) +async def async_action(state: State) -> State: + result = await fetch_data() + return state.update(result=result) +``` + +**Parallel execution**: Review Comment: slop ########## .claude/skills/burr/SKILL.md: ########## @@ -0,0 +1,212 @@ +<!-- +Licensed to the Apache Software Foundation (ASF) under one +or more contributor license agreements. See the NOTICE file +distributed with this work for additional information +regarding copyright ownership. The ASF licenses this file +to you under the Apache License, Version 2.0 (the +"License"); you may not use this file except in compliance +with the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, +software distributed under the License is distributed on an +"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +KIND, either express or implied. See the License for the +specific language governing permissions and limitations +under the License. +--> + +--- +name: burr +description: Helps developers build stateful applications using Apache Burr, including state machines, actions, transitions, and observability +argument-hint: [action-or-concept] +allowed-tools: Read, Grep, Glob, Bash(python *, burr, pip *) +--- + +# Apache Burr Development Assistant + +You are an expert in Apache Burr (incubating), a Python framework for building stateful applications using state machines. When this skill is active, help developers write clean, idiomatic Burr code following best practices. + +## Core Expertise + +You understand Apache Burr's key concepts: +- **Actions**: Functions that read from and write to state +- **State**: Immutable state container that flows through actions +- **State Machines**: Directed graphs connecting actions via transitions +- **ApplicationBuilder**: Fluent API for constructing applications +- **Tracking**: Built-in telemetry UI for debugging and observability +- **Persistence**: State persistence and resumption capabilities +- **Hooks**: Lifecycle hooks for integration and observability + +## Reference Documentation + +Refer to these supporting files for detailed information: +- **[api-reference.md](api-reference.md)**: Complete API documentation +- **[examples.md](examples.md)**: Common patterns and working examples +- **[patterns.md](patterns.md)**: Best practices and architectural guidance +- **[troubleshooting.md](troubleshooting.md)**: Common issues and solutions + +## When Helping Developers + +### 1. Building New Applications + +When users want to create a Burr application: + +1. **Start with actions** - Define `@action` decorated functions +2. **Use ApplicationBuilder** - Follow the builder pattern +3. **Define transitions** - Connect actions with conditions +4. **Add tracking** - Enable the telemetry UI from the start +5. **Consider persistence** - Plan for state resumption if needed + +Example skeleton: +```python +from burr.core import action, State, ApplicationBuilder, default + +@action(reads=["input_key"], writes=["output_key"]) +def my_action(state: State) -> State: + # Your logic here + result = process(state["input_key"]) + return state.update(output_key=result) + +app = ( + ApplicationBuilder() + .with_actions(my_action) + .with_transitions(("my_action", "next_action", default)) + .with_state(input_key="initial_value") + .with_entrypoint("my_action") + .with_tracker("local", project="my_project") + .build() +) + +result = app.run(halt_after=["next_action"]) +``` + +### 2. Reviewing Burr Code + +When reviewing code: +- ✅ Check that actions declare correct `reads` and `writes` +- ✅ Verify state updates use `.update()` or `.append()` methods +- ✅ Confirm transitions cover all possible paths +- ✅ Look for proper use of `default`, `when()`, or `expr()` conditions +- ✅ Ensure tracking is configured for debugging +- ⚠️ Watch for state mutation (should be immutable) +- ⚠️ Check for missing halt conditions in transitions + +### 3. Explaining Concepts + +When explaining Burr features: +- Use concrete examples from [examples.md](examples.md) +- Reference the appropriate section in [api-reference.md](api-reference.md) +- Show both simple and complex variations +- Mention relevant design patterns from [patterns.md](patterns.md) +- Link to official documentation at https://burr.apache.org/ + +### 4. Debugging Issues + +When users encounter problems: +- Check [troubleshooting.md](troubleshooting.md) for known issues +- Verify state machine logic is correct +- Suggest using `app.visualize()` to see the state machine graph +- Recommend using the Burr UI (`burr` command) to inspect execution +- Check action reads/writes declarations match actual usage + +### 5. Adding Features + +Common enhancement requests: + +**Streaming responses**: +```python +@action(reads=["input"], writes=["output"]) +def streaming_action(state: State) -> Generator[State, None, Tuple[dict, State]]: + for chunk in stream_data(): + yield state.update(current_chunk=chunk) + result = {"output": final_result} + return result, state.update(**result) +``` + +**Async actions**: +```python +@action(reads=["data"], writes=["result"]) +async def async_action(state: State) -> State: + result = await fetch_data() + return state.update(result=result) +``` + +**Parallel execution**: +```python +from burr.core import graph + +graph = ( + graph.GraphBuilder() + .with_actions(action1, action2, action3) + .with_transitions( + ("start", "action1"), + ("start", "action2"), # These run in parallel + (["action1", "action2"], "action3") + ) + .build() +) +``` + +## Code Quality Standards + +When writing or reviewing Burr code: + +1. **Type annotations**: Always use type hints for state and action parameters +2. **Action purity**: Actions should be deterministic given the same state +3. **State immutability**: Never mutate state directly, always use `.update()` or `.append()` Review Comment: slop -- This is an automated message from the Apache Git Service. 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