feat(council): add executable roster and tier planner

skills/council/scripts/council-plan.py

@@ -0,0 +1,50 @@
+#!/usr/bin/env python3
+import argparse
+import json
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[1]
+ROSTER_PATH = ROOT / 'references' / 'roster.json'
+
+
+def load_roster():
+    return json.loads(ROSTER_PATH.read_text(encoding='utf-8'))
+
+
+def resolve_plan(mode: str, tier: str):
+    roster = load_roster()
+    if mode not in roster:
+        raise SystemExit(f'Unknown mode: {mode}')
+    if tier not in roster['tierPolicy']:
+        raise SystemExit(f'Unknown tier: {tier}')
+
+    roles = roster[mode]['roles']
+    tier_policy = roster['tierPolicy'][tier]
+    plan = {
+        'mode': mode,
+        'tier': tier,
+        'roles': {},
+        'notes': tier_policy.get('notes', '')
+    }
+
+    for role, cfg in roles.items():
+        mission = cfg.get('mission', 'advisor')
+        override = tier_policy.get('synthesisModel') if mission == 'synthesis' else tier_policy.get('advisorModel')
+        plan['roles'][role] = {
+            'agentId': cfg['agentId'],
+            'mission': mission,
+            'defaultModel': cfg.get('defaultModel'),
+            'modelOverride': override,
+            'fallbacks': cfg.get('fallbacks', [])
+        }
+    return plan
+
+
+if __name__ == '__main__':
+    p = argparse.ArgumentParser(description='Resolve council role/agent/model plan')
+    p.add_argument('--mode', default='personality', choices=['personality', 'dp'])
+    p.add_argument('--tier', default='light', choices=['light', 'medium', 'heavy'])
+    p.add_argument('--pretty', action='store_true')
+    args = p.parse_args()
+    plan = resolve_plan(args.mode, args.tier)
+    print(json.dumps(plan, indent=2 if args.pretty else None))