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

src/councils/types.ts

@@ -170,6 +170,22 @@ export const councilTraceEventSchema = z.object({
   validation_failure: validationFailureReasonSchema.optional(),
 }).strict();
 
+export const councilConversationTurnSchema = z.object({
+  schema_version: schemaVersionField,
+  phase_index: z.number().int().min(1),
+  call_id: z.string().min(1),
+  agent: z.string().min(1),
+  tier: z.enum(['fast', 'default', 'complex', 'local']),
+  group: councilGroupSchema.optional(),
+  round: z.number().int().min(1).optional(),
+  prompt_payload: z.record(z.string(), z.unknown()),
+  response: z.string(),
+  usage: z.object({
+    inputTokens: z.number().int().min(0),
+    outputTokens: z.number().int().min(0),
+  }).strict(),
+}).strict();
+
 export const stopSnapshotSchema = z.object({
   stop_reason: stopReasonSchema,
   round_reached: z.number().int().min(1),
@@ -193,6 +209,7 @@ export const councilRunResultSchema = z.object({
   meta: metaSelectionSchema,
   stop_snapshot: stopSnapshotSchema,
   trace: z.array(councilTraceEventSchema),
+  conversations: z.array(councilConversationTurnSchema),
 }).strict();
 
 export const councilRunInputSchema = z.object({
@@ -246,4 +263,5 @@ export type CouncilDiff = z.infer<typeof councilDiffSchema>;
 export type CouncilRunInput = z.infer<typeof councilRunInputSchema>;
 export type CouncilRunResult = z.infer<typeof councilRunResultSchema>;
 export type CouncilTraceEvent = z.infer<typeof councilTraceEventSchema>;
+export type CouncilConversationTurn = z.infer<typeof councilConversationTurnSchema>;
 export type MetaSelection = z.infer<typeof metaSelectionSchema>;