chore(deps): widen agent-eval to ^0.91 + bump agent-runtime ^0.50

package.json

@@ -68,8 +68,8 @@
     "format": "biome format --write src tests"
   },
   "dependencies": {
-    "@tangle-network/agent-eval": ">=0.77.0 <0.80.0",
-    "@tangle-network/agent-runtime": "^0.44.0",
+    "@tangle-network/agent-eval": "^0.91.0",
+    "@tangle-network/agent-runtime": "^0.50.0",
     "zod": "^4.3.6"
   },
   "devDependencies": {

src/profiles/researcher.ts

@@ -26,9 +26,10 @@
 import {
   type AgentProfile,
   type AgentRunSpec,
-  createFanoutVoteDriver,
+  createDriver,
   type DefaultVerdict,
   type Driver,
+  type DriverDecision,
   type OutputAdapter,
   type SandboxEvent,
   type Validator,
@@ -185,7 +186,7 @@ export function multiHarnessResearcherFanout(options: MultiHarnessResearcherFano
   agentRuns: AgentRunSpec<ResearchTask>[]
   output: OutputAdapter<ResearchOutput>
   validator: Validator<ResearchOutput>
-  driver: Driver<ResearchTask, ResearchOutput, 'pick-winner' | 'fail'>
+  driver: Driver<ResearchTask, ResearchOutput, DriverDecision>
 } {
   const harnesses =
     options.harnesses && options.harnesses.length > 0
@@ -200,7 +201,15 @@ export function multiHarnessResearcherFanout(options: MultiHarnessResearcherFano
     citationDensityMin: options.citationDensityMin,
     task: options.task,
   })
-  const driver = createFanoutVoteDriver<ResearchTask, ResearchOutput>({ n: harnesses.length })
+  // Single fanout round across the N harnesses, then stop: the kernel
+  // round-robins `agentRuns` over the N branches and selects the winner
+  // (best valid score) across all iterations via `defaultSelectWinner`.
+  const driver = createDriver<ResearchTask, ResearchOutput>({
+    planner: ({ task, history }) =>
+      history.length === 0
+        ? { kind: 'fanout', tasks: Array.from({ length: harnesses.length }, () => task) }
+        : { kind: 'stop' },
+  })
   return { agentRuns, output, validator, driver }
 }
 

tests/loops/researcher-integration.test.ts

@@ -108,7 +108,7 @@ describe('researcherProfile end-to-end through runLoop', () => {
       ctx: { sandboxClient: client },
     })
 
-    expect(result.decision).toBe('pick-winner')
+    expect(result.decision).toBe('done')
     expect(result.iterations).toHaveLength(3)
     expect(result.winner).toBeDefined()
     expect(result.winner?.output.items).toHaveLength(1)
@@ -135,15 +135,15 @@ describe('researcherProfile end-to-end through runLoop', () => {
       ctx: { sandboxClient: client },
     })
 
-    expect(result.decision).toBe('fail')
+    expect(result.decision).toBe('done')
     expect(result.iterations).toHaveLength(2)
     for (const iter of result.iterations) {
       expect(iter.verdict?.valid).toBe(false)
       expect(iter.verdict?.notes).toMatch(/namespace violation/)
     }
-    // The kernel surfaces a structural top-of-attempts even on `fail`.
-    // The contract is `decision === 'fail'` + `winner.verdict.valid === false`;
-    // never a winner with `valid === true` when every output leaked.
+    // The kernel may surface a structural top-of-attempts even when nothing
+    // validates. The contract is: never a winner with `valid === true` when
+    // every output leaked across namespaces.
     if (result.winner) {
       expect(result.winner.verdict?.valid).toBe(false)
     }
@@ -168,7 +168,7 @@ describe('researcherProfile end-to-end through runLoop', () => {
       ctx: { sandboxClient: client },
     })
 
-    expect(result.decision).toBe('pick-winner')
+    expect(result.decision).toBe('done')
     expect(result.winner?.iterationIndex).toBe(1)
     expect(result.winner?.agentRunName).toBe('researcher-high-quality')
   })

tests/profiles/researcher.test.ts

@@ -402,7 +402,7 @@ describe('loose-output passthrough', () => {
 })
 
 describe('multiHarnessResearcherFanout', () => {
-  it('builds N AgentRunSpecs with a FanoutVote driver', () => {
+  it('builds N AgentRunSpecs with a single-fanout-then-stop driver', () => {
     const fan = multiHarnessResearcherFanout({
       harnesses: ['claude-code', 'codex', 'opencode/zai-coding-plan/glm-5.1'],
     })
@@ -414,7 +414,7 @@ describe('multiHarnessResearcherFanout', () => {
     ])
     expect(typeof fan.driver.plan).toBe('function')
     expect(typeof fan.driver.decide).toBe('function')
-    expect(fan.driver.name).toBe('fanout-vote')
+    expect(fan.driver.name).toBe('dynamic')
   })
 
   it('falls back to three default harnesses when none supplied', () => {