feat: add OpenProse plugin skills

extensions/open-prose/skills/prose/lib/vm-improver.prose

@@ -0,0 +1,243 @@
+# VM Improver
+# Analyzes inspection reports and proposes improvements to the OpenProse VM
+#
+# Usage:
+#   prose run @openprose/lib/vm-improver
+#
+# Inputs:
+#   inspection_path: Path to inspection binding (e.g., .prose/runs/.../bindings/inspection.md)
+#   prose_repo: Path to prose submodule (default: current project's prose/)
+#
+# Output: One or more PRs to the prose repo, or proposals if no git access
+
+input inspection_path: "Path to inspection output (bindings/inspection.md)"
+input prose_repo: "Path to prose skill directory (e.g., prose/skills/open-prose)"
+
+# ============================================================
+# Agents
+# ============================================================
+
+agent analyst:
+  model: opus
+  prompt: """
+    You analyze OpenProse inspection reports for VM improvement opportunities.
+
+    Look for evidence of:
+    - Execution inefficiencies (too many steps, redundant spawns)
+    - Context bloat (VM passing full values instead of references)
+    - State management issues (missing bindings, path errors)
+    - Error handling gaps (uncaught failures, unclear errors)
+    - Missing features that would help this class of program
+    - Spec ambiguities that led to incorrect execution
+
+    Be concrete. Reference specific inspection findings.
+  """
+
+agent researcher:
+  model: sonnet
+  prompt: """
+    You explore the OpenProse VM codebase to understand how to fix issues.
+    Read files, understand structure, find the right places to change.
+  """
+
+agent implementer:
+  model: opus
+  prompt: """
+    You implement improvements to the OpenProse VM.
+
+    Rules:
+    - Follow existing style exactly
+    - Make minimal, focused changes
+    - One logical change per PR
+    - Update all affected files (spec, state backends, etc.)
+  """
+
+agent pr_author:
+  model: sonnet
+  prompt: """
+    You create branches and pull requests with clear descriptions.
+    Explain the problem, the solution, and how to test it.
+  """
+
+# ============================================================
+# Phase 1: Analyze Inspection for VM Issues
+# ============================================================
+
+let analysis = session: analyst
+  prompt: """
+    Read the inspection report and identify VM improvement opportunities.
+
+    Inspection: {inspection_path}
+
+    For each opportunity, specify:
+    - category: efficiency | context | state | error | feature | spec
+    - description: what's wrong
+    - severity: low | medium | high
+    - evidence: quote from inspection that shows this
+    - hypothesis: what VM behavior likely caused this
+
+    Return JSON:
+    {
+      "target_run": "run ID that was inspected",
+      "opportunities": [...],
+      "priority_order": [indices sorted by impact]
+    }
+
+    If the inspection shows clean execution with no issues, return empty opportunities.
+  """
+  context: inspection_path
+
+if **no actionable opportunities found**:
+  output result = {
+    status: "no-improvements-needed",
+    analysis: analysis,
+    message: "Inspection showed clean VM execution"
+  }
+
+# ============================================================
+# Phase 2: Research VM Codebase
+# ============================================================
+
+let research = session: researcher
+  prompt: """
+    For each opportunity, find the relevant VM code.
+
+    Prose repo: {prose_repo}
+    Opportunities: {analysis.opportunities}
+
+    Key files to check:
+    - prose.md (main VM spec)
+    - state/filesystem.md, state/sqlite.md, state/postgres.md
+    - primitives/session.md
+    - compiler.md
+    - SKILL.md
+
+    Return JSON:
+    {
+      "findings": [
+        {
+          "opportunity_index": N,
+          "relevant_files": ["path/to/file.md"],
+          "current_behavior": "how it works now",
+          "change_location": "specific section or line range"
+        }
+      ]
+    }
+  """
+  context: { analysis, prose_repo }
+
+# ============================================================
+# Phase 3: User Selection
+# ============================================================
+
+input selection: """
+  ## VM Improvement Opportunities
+
+  Based on inspection of: {analysis.target_run}
+
+  ### Opportunities Found:
+  {analysis.opportunities}
+
+  ### Research:
+  {research.findings}
+
+  ---
+
+  Which improvements should I implement as PRs?
+  - List by number (e.g., "1, 3")
+  - Or "all" for everything
+  - Or "none" to skip
+"""
+
+if **user selected none or wants to skip**:
+  output result = {
+    status: "skipped",
+    analysis: analysis,
+    research: research
+  }
+
+let selected = session "Parse selection"
+  prompt: "Extract selected opportunity indices from user input"
+  context: { selection, analysis }
+
+# ============================================================
+# Phase 4: Implement Changes
+# ============================================================
+
+let implementations = selected | map:
+  session: implementer
+    prompt: """
+      Implement this VM improvement.
+
+      Opportunity: {analysis.opportunities[item]}
+      Research: {research.findings[item]}
+      Prose repo: {prose_repo}
+
+      1. Read the current file content
+      2. Design the minimal change
+      3. Write the improved content
+
+      Return JSON:
+      {
+        "opportunity_index": N,
+        "branch_name": "vm/short-description",
+        "title": "PR title",
+        "files": [
+          {
+            "path": "relative/path.md",
+            "action": "modify",
+            "description": "what changed"
+          }
+        ],
+        "summary": "2-3 sentence explanation"
+      }
+
+      Actually write the changes to the files.
+    """
+    context: item
+    permissions:
+      read: ["{prose_repo}/**"]
+      write: ["{prose_repo}/**"]
+
+# ============================================================
+# Phase 5: Create PRs
+# ============================================================
+
+let prs = implementations | map:
+  session: pr_author
+    prompt: """
+      Create a PR for this VM improvement.
+
+      Implementation: {item}
+      Prose repo: {prose_repo}
+
+      Steps:
+      1. cd to prose repo
+      2. Create branch: {item.branch_name}
+      3. Stage changed files
+      4. Commit with clear message
+      5. Push branch
+      6. Create PR via gh cli
+
+      PR body should include:
+      - Problem: what inspection revealed
+      - Solution: what this changes
+      - Testing: how to verify
+
+      Return: { pr_url, branch, title }
+    """
+    context: item
+    permissions:
+      bash: allow
+
+# ============================================================
+# Output
+# ============================================================
+
+output result = {
+  status: "complete",
+  target_run: analysis.target_run,
+  opportunities_found: analysis.opportunities,
+  opportunities_implemented: implementations,
+  prs_created: prs
+}