update

Author: GiggleLiu

.claude/CLAUDE.md

@@ -3,6 +3,9 @@
 ## Project Overview
 Rust library for NP-hard problem reductions. Implements computational problems with reduction rules for transforming between equivalent formulations.
 
+## Skills
+When resolving an issue with pull request, please use [issue-to-pr](skills/issue-to-pr.md) skill to convert the issue into a pull request with a plan.
+
 ## Commands
 ```bash
 make help           # Show all available targets

.claude/skills/issue-to-pr.md

@@ -7,12 +7,6 @@ description: Use when you have a GitHub issue and want to create a PR with an im
 
 Convert a GitHub issue into an actionable PR with a plan that auto-triggers Claude execution.
 
-## Usage
-
-```
-/issue-to-pr <issue-number-or-url>
-```
-
 ## Workflow
 
 ```dot
@@ -24,15 +18,13 @@ digraph issue_to_pr {
     "Research references" [shape=box];
     "Write plan file" [shape=box];
     "Create branch and PR" [shape=box];
-    "PR triggers [action]" [shape=doublecircle];
 
     "Receive issue number" -> "Fetch issue with gh";
     "Fetch issue with gh" -> "Check the rules to follow";
     "Check the rules to follow" -> "Verify completeness";
     "Verify completeness" -> "Research references";
     "Research references" -> "Write plan file";
     "Write plan file" -> "Create branch and PR";
-    "Create branch and PR" -> "PR triggers [action]";
 }
 ```
 
@@ -156,16 +148,15 @@ git commit -m "Add plan for #<number>: <title>"
 # Push
 git push -u origin issue-<number>-<slug>
 
-# Create PR with [action] at the BEGINNING
-gh pr create --title "Fix #<number>: <title>" --body "[action]
+# Create PR
+gh pr create --title "Fix #<number>: <title>" --body "
 
 ## Summary
 <Brief description from brainstorming>
 
 Closes #<number>"
 ```
 
-**CRITICAL:** The PR body MUST start with `[action]` on the first line. This triggers automated plan execution.
 
 ## Example
 
@@ -181,17 +172,15 @@ All required info is present. I'll create the plan...
 
 [Writes docs/plans/2026-02-09-independentset-to-qubo.md]
 [Creates branch, commits, pushes]
-[Creates PR with body starting with "[action]"]
+[Creates PR]
 
 Created PR #45: Fix #42: Add IndependentSet → QUBO reduction
-The [action] trigger will automatically execute the plan.
 ```
 
 ## Common Mistakes
 
 | Mistake | Fix |
 |---------|-----|
 | Issue template incomplete | Ask contributor to fill in missing sections before proceeding |
-| `[action]` not at start | PR body must BEGIN with `[action]` |
 | Including implementation code in initial PR | First PR: plan only |
 | Generic plan | Use specifics from the issue |