feat(config): add councils schema and defaults

src/config/schema.test.ts

@@ -412,6 +412,71 @@ describe('configSchema — agent_configs', () => {
   });
 });
 
+describe('configSchema — councils', () => {
+  const minimalConfig = {
+    telegram: { bot_token: 'test', allowed_chat_ids: [1] },
+    models: { default: { provider: 'anthropic', model: 'claude-3' } },
+  };
+
+  it('defaults councils config with deterministic caps and group presets', () => {
+    const result = configSchema.parse(minimalConfig);
+    expect(result.councils.enabled).toBe(false);
+    expect(result.councils.defaults.max_rounds).toBe(2);
+    expect(result.councils.defaults.top_ideas_for_bridge).toBe(3);
+    expect(result.councils.defaults.bridge_packet_max_chars).toBe(2500);
+    expect(result.councils.groups.D.novelty_bias).toBe('low');
+    expect(result.councils.groups.P.novelty_bias).toBe('high');
+    expect(result.councils.meta_arbiter_agent).toBe('council_meta_arbiter');
+  });
+
+  it('accepts explicit councils overrides', () => {
+    const result = configSchema.parse({
+      ...minimalConfig,
+      councils: {
+        enabled: true,
+        defaults: {
+          max_rounds: 3,
+          ideas_per_round: 5,
+          top_ideas_for_bridge: 2,
+          bridge_packet_max_chars: 1800,
+          bridge_field_max_bullets: 4,
+          bridge_entry_max_chars: 200,
+          novelty_delta_threshold: 5,
+          repetition_threshold: 80,
+        },
+        strict_grounding: true,
+        strict_meta_validation: true,
+        groups: {
+          D: {
+            arbiter_agent: 'd_arb',
+            freethinker_agent: 'd_ft',
+            group_prompt_prefix: 'd',
+            novelty_bias: 'low',
+            risk_tolerance: 'medium',
+            forbidden_approaches: ['x'],
+          },
+          P: {
+            arbiter_agent: 'p_arb',
+            freethinker_agent: 'p_ft',
+            group_prompt_prefix: 'p',
+            novelty_bias: 'high',
+            risk_tolerance: 'high',
+            forbidden_approaches: ['y'],
+          },
+        },
+        meta_arbiter_agent: 'meta',
+      },
+    });
+
+    expect(result.councils.enabled).toBe(true);
+    expect(result.councils.defaults.max_rounds).toBe(3);
+    expect(result.councils.groups.D.arbiter_agent).toBe('d_arb');
+    expect(result.councils.groups.P.freethinker_agent).toBe('p_ft');
+    expect(result.councils.strict_grounding).toBe(true);
+    expect(result.councils.meta_arbiter_agent).toBe('meta');
+  });
+});
+
 describe('configSchema — backends', () => {
   const minimalConfig = {
     telegram: { bot_token: 'test', allowed_chat_ids: [1] },