feat(milestone): post board link to Discussions when milestone starts execution

.claude/commands/mgw/issue.md

@@ -409,6 +409,74 @@ Also add branch cross-ref:
 BRANCH=$(git branch --show-current)
 ```
 Add to linked_branches if not main/master.
+
+After writing the state file, sync the board Status field (non-blocking):
+```bash
+# Board sync — update board Status field to reflect new pipeline_stage
+# Source the shared utility from board-sync.md, then call it
+# Reads REPO_ROOT from environment (set in validate_and_load / init_state)
+update_board_status() {
+  local ISSUE_NUMBER="$1"
+  local NEW_STAGE="$2"
+  if [ -z "$ISSUE_NUMBER" ] || [ -z "$NEW_STAGE" ]; then return 0; fi
+  BOARD_NODE_ID=$(python3 -c "
+import json,sys,os
+try:
+    p=json.load(open('${REPO_ROOT}/.mgw/project.json'))
+    print(p.get('project',{}).get('project_board',{}).get('node_id',''))
+except: print('')
+" 2>/dev/null || echo "")
+  if [ -z "$BOARD_NODE_ID" ]; then return 0; fi
+  ITEM_ID=$(python3 -c "
+import json,sys
+try:
+    p=json.load(open('${REPO_ROOT}/.mgw/project.json'))
+    for m in p.get('milestones',[]):
+        for i in m.get('issues',[]):
+            if i.get('github_number')==${ISSUE_NUMBER}:
+                print(i.get('board_item_id','')); sys.exit(0)
+    print('')
+except: print('')
+" 2>/dev/null || echo "")
+  if [ -z "$ITEM_ID" ]; then return 0; fi
+  FIELD_ID=$(python3 -c "
+import json,sys,os
+try:
+    s='${REPO_ROOT}/.mgw/board-schema.json'
+    if os.path.exists(s):
+        print(json.load(open(s)).get('fields',{}).get('status',{}).get('field_id',''))
+    else:
+        p=json.load(open('${REPO_ROOT}/.mgw/project.json'))
+        print(p.get('project',{}).get('project_board',{}).get('fields',{}).get('status',{}).get('field_id',''))
+except: print('')
+" 2>/dev/null || echo "")
+  if [ -z "$FIELD_ID" ]; then return 0; fi
+  OPTION_ID=$(python3 -c "
+import json,sys,os
+try:
+    stage='${NEW_STAGE}'
+    s='${REPO_ROOT}/.mgw/board-schema.json'
+    if os.path.exists(s):
+        print(json.load(open(s)).get('fields',{}).get('status',{}).get('options',{}).get(stage,''))
+    else:
+        p=json.load(open('${REPO_ROOT}/.mgw/project.json'))
+        print(p.get('project',{}).get('project_board',{}).get('fields',{}).get('status',{}).get('options',{}).get(stage,''))
+except: print('')
+" 2>/dev/null || echo "")
+  if [ -z "$OPTION_ID" ]; then return 0; fi
+  gh api graphql -f query='
+    mutation($projectId:ID!,$itemId:ID!,$fieldId:ID!,$optionId:String!){
+      updateProjectV2ItemFieldValue(input:{projectId:$projectId,itemId:$itemId,fieldId:$fieldId,value:{singleSelectOptionId:$optionId}}){projectV2Item{id}}
+    }
+  ' -f projectId="$BOARD_NODE_ID" -f itemId="$ITEM_ID" \
+    -f fieldId="$FIELD_ID" -f optionId="$OPTION_ID" 2>/dev/null || true
+}
+
+# Call after state file is written — non-blocking, never fails the pipeline
+update_board_status $ISSUE_NUMBER "$pipeline_stage"
+```
+
+See @~/.claude/commands/mgw/workflows/board-sync.md for the full utility and data source reference.
 </step>
 
 <step name="offer_next">
@@ -465,5 +533,6 @@ Consider closing or commenting on the issue with your reasoning.
 - [ ] Passed issues get mgw:triaged label
 - [ ] User confirms, overrides, or rejects
 - [ ] State file written to .mgw/active/ (if accepted) with comment tracking fields and gate_result
+- [ ] Board Status field updated via update_board_status (non-blocking — failure does not block)
 - [ ] Next steps offered
 </success_criteria>

.claude/commands/mgw/pr.md

@@ -29,6 +29,7 @@ Works in two modes:
 @~/.claude/commands/mgw/workflows/github.md
 @~/.claude/commands/mgw/workflows/gsd.md
 @~/.claude/commands/mgw/workflows/validation.md
+@~/.claude/commands/mgw/workflows/board-sync.md
 </execution_context>
 
 <context>
@@ -247,6 +248,11 @@ Update state file:
 - Set pipeline_stage to "pr-created"
 
 Add cross-ref: issue → PR link in cross-refs.json.
+
+Sync PR to board (non-blocking):
+```bash
+sync_pr_to_board $ISSUE_NUMBER $PR_NUMBER  # non-blocking — add PR as board item
+```
 </step>
 
 <step name="report">
@@ -274,4 +280,5 @@ Testing procedures posted as PR comment.
 - [ ] Testing procedures posted as separate PR comment
 - [ ] State file updated with PR number (linked mode)
 - [ ] Cross-ref added (linked mode)
+- [ ] PR added to board as board item after creation (non-blocking, linked mode only)
 </success_criteria>

.claude/commands/mgw/run.md

@@ -38,6 +38,7 @@ Checkpoints requiring user input:
 @~/.claude/commands/mgw/workflows/github.md
 @~/.claude/commands/mgw/workflows/gsd.md
 @~/.claude/commands/mgw/workflows/validation.md
+@~/.claude/commands/mgw/workflows/board-sync.md
 </execution_context>
 
 <context>
@@ -57,6 +58,110 @@ REPO_ROOT=$(git rev-parse --show-toplevel)
 DEFAULT=$(gh repo view --json defaultBranchRef -q .defaultBranchRef.name)
 ```
 
+Define the board sync utilities (non-blocking — see board-sync.md for full reference):
+```bash
+update_board_status() {
+  local ISSUE_NUMBER="$1"
+  local NEW_STAGE="$2"
+  if [ -z "$ISSUE_NUMBER" ] || [ -z "$NEW_STAGE" ]; then return 0; fi
+  BOARD_NODE_ID=$(python3 -c "
+import json,sys,os
+try:
+    p=json.load(open('${REPO_ROOT}/.mgw/project.json'))
+    print(p.get('project',{}).get('project_board',{}).get('node_id',''))
+except: print('')
+" 2>/dev/null || echo "")
+  if [ -z "$BOARD_NODE_ID" ]; then return 0; fi
+  ITEM_ID=$(python3 -c "
+import json,sys
+try:
+    p=json.load(open('${REPO_ROOT}/.mgw/project.json'))
+    for m in p.get('milestones',[]):
+        for i in m.get('issues',[]):
+            if i.get('github_number')==${ISSUE_NUMBER}:
+                print(i.get('board_item_id','')); sys.exit(0)
+    print('')
+except: print('')
+" 2>/dev/null || echo "")
+  if [ -z "$ITEM_ID" ]; then return 0; fi
+  FIELD_ID=$(python3 -c "
+import json,sys,os
+try:
+    s='${REPO_ROOT}/.mgw/board-schema.json'
+    if os.path.exists(s):
+        print(json.load(open(s)).get('fields',{}).get('status',{}).get('field_id',''))
+    else:
+        p=json.load(open('${REPO_ROOT}/.mgw/project.json'))
+        print(p.get('project',{}).get('project_board',{}).get('fields',{}).get('status',{}).get('field_id',''))
+except: print('')
+" 2>/dev/null || echo "")
+  if [ -z "$FIELD_ID" ]; then return 0; fi
+  OPTION_ID=$(python3 -c "
+import json,sys,os
+try:
+    stage='${NEW_STAGE}'
+    s='${REPO_ROOT}/.mgw/board-schema.json'
+    if os.path.exists(s):
+        print(json.load(open(s)).get('fields',{}).get('status',{}).get('options',{}).get(stage,''))
+    else:
+        p=json.load(open('${REPO_ROOT}/.mgw/project.json'))
+        print(p.get('project',{}).get('project_board',{}).get('fields',{}).get('status',{}).get('options',{}).get(stage,''))
+except: print('')
+" 2>/dev/null || echo "")
+  if [ -z "$OPTION_ID" ]; then return 0; fi
+  gh api graphql -f query='
+    mutation($projectId:ID!,$itemId:ID!,$fieldId:ID!,$optionId:String!){
+      updateProjectV2ItemFieldValue(input:{projectId:$projectId,itemId:$itemId,fieldId:$fieldId,value:{singleSelectOptionId:$optionId}}){projectV2Item{id}}
+    }
+  ' -f projectId="$BOARD_NODE_ID" -f itemId="$ITEM_ID" \
+    -f fieldId="$FIELD_ID" -f optionId="$OPTION_ID" 2>/dev/null || true
+}
+
+update_board_agent_state() {
+  local ISSUE_NUMBER="$1"
+  local STATE_TEXT="$2"
+  if [ -z "$ISSUE_NUMBER" ]; then return 0; fi
+  BOARD_NODE_ID=$(python3 -c "
+import json,sys,os
+try:
+    p=json.load(open('${REPO_ROOT}/.mgw/project.json'))
+    print(p.get('project',{}).get('project_board',{}).get('node_id',''))
+except: print('')
+" 2>/dev/null || echo "")
+  if [ -z "$BOARD_NODE_ID" ]; then return 0; fi
+  ITEM_ID=$(python3 -c "
+import json,sys
+try:
+    p=json.load(open('${REPO_ROOT}/.mgw/project.json'))
+    for m in p.get('milestones',[]):
+        for i in m.get('issues',[]):
+            if i.get('github_number')==${ISSUE_NUMBER}:
+                print(i.get('board_item_id','')); sys.exit(0)
+    print('')
+except: print('')
+" 2>/dev/null || echo "")
+  if [ -z "$ITEM_ID" ]; then return 0; fi
+  FIELD_ID=$(python3 -c "
+import json,sys,os
+try:
+    s='${REPO_ROOT}/.mgw/board-schema.json'
+    if os.path.exists(s):
+        print(json.load(open(s)).get('fields',{}).get('ai_agent_state',{}).get('field_id',''))
+    else:
+        p=json.load(open('${REPO_ROOT}/.mgw/project.json'))
+        print(p.get('project',{}).get('project_board',{}).get('fields',{}).get('ai_agent_state',{}).get('field_id',''))
+except: print('')
+" 2>/dev/null || echo "")
+  if [ -z "$FIELD_ID" ]; then return 0; fi
+  gh api graphql -f query='
+    mutation($projectId:ID!,$itemId:ID!,$fieldId:ID!,$text:String!){
+      updateProjectV2ItemFieldValue(input:{projectId:$projectId,itemId:$itemId,fieldId:$fieldId,value:{text:$text}}){projectV2Item{id}}
+    }
+  ' -f projectId="$BOARD_NODE_ID" -f itemId="$ITEM_ID" \
+    -f fieldId="$FIELD_ID" -f text="$STATE_TEXT" 2>/dev/null || true
+}
+```
+
 Parse $ARGUMENTS for issue number. If missing:
 ```
 AskUserQuestion(
@@ -248,7 +353,7 @@ Return ONLY valid JSON:
 |---------------|--------|
 | **informational** | Log: "MGW: ${NEW_COUNT} new comment(s) reviewed — informational, continuing." Update `triage.last_comment_count` in state file. Continue pipeline. |
 | **material** | Log: "MGW: Material comment(s) detected — scope may have changed." Update state: add new_requirements to triage context. Update `triage.last_comment_count`. Re-read issue body for updated requirements. Continue with enriched context (pass new_requirements to planner). Check for security keywords in material comments (see below). |
-| **blocking** | Log: "MGW: Blocking comment detected — pipeline paused." Update state: `pipeline_stage = "blocked"`. Apply mgw:blocked label. Post comment on issue: `> **MGW** . \`pipeline-blocked\` . Blocked by stakeholder comment. Reason: ${blocking_reason}`. Stop pipeline execution. |
+| **blocking** | Log: "MGW: Blocking comment detected — pipeline paused." Update state: `pipeline_stage = "blocked"`. Apply mgw:blocked label. Call `update_board_status $ISSUE_NUMBER "blocked"` (non-blocking). Post comment on issue: `> **MGW** . \`pipeline-blocked\` . Blocked by stakeholder comment. Reason: ${blocking_reason}`. Stop pipeline execution. |
 
 **Security keyword check for material comments:**
 ```bash
@@ -339,6 +444,9 @@ Log comment in state file (at `${REPO_ROOT}/.mgw/active/`).
 Only run this step if gsd_route is "gsd:quick" or "gsd:quick --full".
 
 Update pipeline_stage to "executing" in state file (at `${REPO_ROOT}/.mgw/active/`).
+```bash
+update_board_status $ISSUE_NUMBER "executing"  # non-blocking board sync
+```
 
 Determine flags:
 - "gsd:quick" → $QUICK_FLAGS = ""
@@ -373,6 +481,9 @@ mkdir -p "$QUICK_DIR"
 ```
 
 3. **Spawn planner (task agent):**
+```bash
+update_board_agent_state $ISSUE_NUMBER "Planning"  # non-blocking agent state
+```
 ```
 Task(
   prompt="
@@ -475,6 +586,9 @@ If issues found and iteration < 2: spawn planner revision, then re-check.
 If iteration >= 2: offer force proceed or abort.
 
 7. **Spawn executor (task agent):**
+```bash
+update_board_agent_state $ISSUE_NUMBER "Executing"  # non-blocking agent state
+```
 ```
 Task(
   prompt="
@@ -506,6 +620,9 @@ VERIFY_RESULT=$(node ~/.claude/get-shit-done/bin/gsd-tools.cjs verify-summary "$
 Parse JSON result. Use `passed` field for go/no-go. Checks summary existence, files created, and commits.
 
 9. **(If --full) Spawn verifier:**
+```bash
+update_board_agent_state $ISSUE_NUMBER "Verifying"  # non-blocking agent state
+```
 ```
 Task(
   prompt="
@@ -539,6 +656,9 @@ node ~/.claude/get-shit-done/bin/gsd-tools.cjs commit "docs(quick-${next_num}):
 ```
 
 Update state (at `${REPO_ROOT}/.mgw/active/`): gsd_artifacts.path = $QUICK_DIR, pipeline_stage = "verifying".
+```bash
+update_board_status $ISSUE_NUMBER "verifying"  # non-blocking board sync
+```
 </step>
 
 <step name="execute_gsd_milestone">
@@ -576,6 +696,7 @@ Set pipeline_stage to "discussing" and apply "mgw:discussing" label:
 ```bash
 gh issue edit ${ISSUE_NUMBER} --remove-label "mgw:in-progress" 2>/dev/null
 gh issue edit ${ISSUE_NUMBER} --add-label "mgw:discussing" 2>/dev/null
+update_board_status $ISSUE_NUMBER "discussing"  # non-blocking board sync
 ```
 
 Present to user:
@@ -623,6 +744,9 @@ If proceed: apply "mgw:approved" label and continue.
      ```
 
    Update pipeline_stage to "planning" (at `${REPO_ROOT}/.mgw/active/`).
+   ```bash
+   update_board_status $ISSUE_NUMBER "planning"  # non-blocking board sync
+   ```
 
 2. **If resuming with pipeline_stage = "planning" and ROADMAP.md exists:**
    Discover phases from ROADMAP and run the full per-phase GSD lifecycle:
@@ -661,6 +785,9 @@ If proceed: apply "mgw:approved" label and continue.
    ```
 
    **b. Spawn planner agent (gsd:plan-phase):**
+   ```bash
+   update_board_agent_state $ISSUE_NUMBER "Planning phase ${PHASE_NUMBER}"  # non-blocking agent state
+   ```
    ```
    Task(
      prompt="
@@ -707,6 +834,7 @@ If proceed: apply "mgw:approved" label and continue.
    ```bash
    EXEC_INIT=$(node ~/.claude/get-shit-done/bin/gsd-tools.cjs init execute-phase "${PHASE_NUMBER}")
    # Parse EXEC_INIT JSON for: executor_model, verifier_model, phase_dir, plans, incomplete_plans, plan_count
+   update_board_agent_state $ISSUE_NUMBER "Executing phase ${PHASE_NUMBER}"  # non-blocking agent state
    ```
    ```
    Task(
@@ -739,6 +867,9 @@ If proceed: apply "mgw:approved" label and continue.
    ```
 
    **e. Spawn verifier agent (gsd:verify-phase):**
+   ```bash
+   update_board_agent_state $ISSUE_NUMBER "Verifying phase ${PHASE_NUMBER}"  # non-blocking agent state
+   ```
    ```
    Task(
      prompt="
@@ -785,6 +916,9 @@ COMMENTEOF
    ```
 
    After ALL phases complete → update pipeline_stage to "verifying" (at `${REPO_ROOT}/.mgw/active/`).
+   ```bash
+   update_board_status $ISSUE_NUMBER "verifying"  # non-blocking board sync
+   ```
 </step>
 
 <step name="post_execution_update">
@@ -822,6 +956,9 @@ gh issue comment ${ISSUE_NUMBER} --body "$EXEC_BODY" 2>/dev/null || true
 ```
 
 Update pipeline_stage to "pr-pending" (at `${REPO_ROOT}/.mgw/active/`).
+```bash
+update_board_status $ISSUE_NUMBER "pr-created"  # non-blocking board sync (pr-pending maps to pr-created on board)
+```
 </step>
 
 <step name="create_pr">
@@ -992,6 +1129,12 @@ Update state (at `${REPO_ROOT}/.mgw/active/`):
 - linked_pr = PR number
 - pipeline_stage = "pr-created"
 
+```bash
+update_board_status $ISSUE_NUMBER "pr-created"  # non-blocking board sync
+update_board_agent_state $ISSUE_NUMBER ""  # clear agent state after PR creation (non-blocking)
+sync_pr_to_board $ISSUE_NUMBER $PR_NUMBER  # non-blocking — add PR as board item
+```
+
 Add cross-ref (at `${REPO_ROOT}/.mgw/cross-refs.json`): issue → PR.
 </step>
 
@@ -1052,6 +1195,9 @@ gh issue comment ${ISSUE_NUMBER} --body "$PR_READY_BODY" 2>/dev/null || true
 ```
 
 Update pipeline_stage to "done" (at `${REPO_ROOT}/.mgw/active/`).
+```bash
+update_board_status $ISSUE_NUMBER "done"  # non-blocking board sync
+```
 
 Report to user:
 ```
@@ -1092,5 +1238,10 @@ Next:
 - [ ] Worktree cleaned up, user returned to main workspace
 - [ ] mgw:in-progress label removed at completion
 - [ ] State file updated through all pipeline stages
+- [ ] Board Status field synced at each pipeline_stage transition (non-blocking)
+- [ ] AI Agent State field set before each GSD agent spawn (non-blocking)
+- [ ] AI Agent State field cleared after PR creation (non-blocking)
+- [ ] PR added to board as board item after creation (non-blocking)
+- [ ] Board sync failures never block pipeline execution
 - [ ] User prompted to run /mgw:sync after merge
 </success_criteria>