feat(councils-ui): add on-demand council conversations panel and model config controls

src/config/schema.test.ts

@@ -424,6 +424,9 @@ describe('configSchema — councils', () => {
     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.model_tier).toBe('complex');
+    expect(result.councils.groups.P.model_tier).toBe('complex');
+    expect(result.councils.meta_model_tier).toBe('complex');
     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');
@@ -450,6 +453,7 @@ describe('configSchema — councils', () => {
           D: {
             arbiter_agent: 'd_arb',
             freethinker_agent: 'd_ft',
+            model_tier: 'default',
             group_prompt_prefix: 'd',
             novelty_bias: 'low',
             risk_tolerance: 'medium',
@@ -458,6 +462,7 @@ describe('configSchema — councils', () => {
           P: {
             arbiter_agent: 'p_arb',
             freethinker_agent: 'p_ft',
+            model_tier: 'fast',
             group_prompt_prefix: 'p',
             novelty_bias: 'high',
             risk_tolerance: 'high',
@@ -465,6 +470,7 @@ describe('configSchema — councils', () => {
           },
         },
         meta_arbiter_agent: 'meta',
+        meta_model_tier: 'local',
       },
     });
 
@@ -472,6 +478,8 @@ describe('configSchema — councils', () => {
     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.groups.D.model_tier).toBe('default');
+    expect(result.councils.meta_model_tier).toBe('local');
     expect(result.councils.strict_grounding).toBe(true);
     expect(result.councils.meta_arbiter_agent).toBe('meta');
   });

src/config/schema.ts

@@ -865,6 +865,7 @@ const councilsGroupConfigSchema = z.object({
   freethinker_agent: z.string().min(1),
   grounder_agent: z.string().min(1).optional(),
   writer_agent: z.string().min(1).optional(),
+  model_tier: modelTierEnum.default('complex'),
   group_prompt_prefix: z.string().min(1),
   novelty_bias: z.enum(['low', 'medium', 'high']).default('medium'),
   risk_tolerance: z.enum(['low', 'medium', 'high']).default('medium'),
@@ -890,6 +891,7 @@ const councilsSchema = z.object({
     D: councilsGroupConfigSchema.default({
       arbiter_agent: 'council_d_arbiter',
       freethinker_agent: 'council_d_freethinker',
+      model_tier: 'complex',
       group_prompt_prefix: 'Optimize for feasibility and speed-to-test. Prefer boring-but-true.',
       novelty_bias: 'low',
       risk_tolerance: 'low',
@@ -902,6 +904,7 @@ const councilsSchema = z.object({
     P: councilsGroupConfigSchema.default({
       arbiter_agent: 'council_p_arbiter',
       freethinker_agent: 'council_p_freethinker',
+      model_tier: 'complex',
       group_prompt_prefix: 'Optimize for reframing and non-obvious leverage. Weird is fine; label speculation.',
       novelty_bias: 'high',
       risk_tolerance: 'high',
@@ -913,6 +916,7 @@ const councilsSchema = z.object({
     }),
   }).default({}),
   meta_arbiter_agent: z.string().min(1).default('council_meta_arbiter'),
+  meta_model_tier: modelTierEnum.default('complex'),
   meta_writer_agent: z.string().min(1).optional(),
 }).default({});