fix(athena): include MODE=all agents in uiSelectedModel passthrough

The general-agents.ts isPrimaryAgent check only considered mode=primary,
causing Athena (now mode=all) to lose uiSelectedModel resolution.
Also adds metadata tests for non-interactive triggers.

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/agents/athena/athena-config-injection.test.ts

@@ -1,7 +1,7 @@
 /// <reference types="bun-types" />
 
 import { describe, expect, it } from "bun:test"
-import { createAthenaAgent } from "./agent"
+import { ATHENA_PROMPT_METADATA, createAthenaAgent } from "./agent"
 
 describe("Athena prompt config injection placeholders", () => {
   const athenaConfig = createAthenaAgent("anthropic/claude-opus-4-6")
@@ -131,3 +131,32 @@ describe("Athena prompt config injection placeholders", () => {
     })
   })
 })
+
+describe("Athena prompt metadata", () => {
+  describe("#given ATHENA_PROMPT_METADATA", () => {
+    describe("#when checking triggers", () => {
+      it("#then includes a Non-interactive council trigger", () => {
+        const hasNonInteractiveTrigger = ATHENA_PROMPT_METADATA.triggers.some((t) =>
+          t.domain.includes("Non-interactive"),
+        )
+        expect(hasNonInteractiveTrigger).toBe(true)
+      })
+    })
+
+    describe("#when checking useWhen entries", () => {
+      it("#then includes an entry mentioning oh-my-opencode run", () => {
+        const hasCLIEntry = ATHENA_PROMPT_METADATA.useWhen.some((entry) =>
+          entry.includes("oh-my-opencode run"),
+        )
+        expect(hasCLIEntry).toBe(true)
+      })
+
+      it("#then includes an entry mentioning structured council output", () => {
+        const hasStructuredEntry = ATHENA_PROMPT_METADATA.useWhen.some((entry) =>
+          entry.includes("structured") || entry.includes("agent-to-agent"),
+        )
+        expect(hasStructuredEntry).toBe(true)
+      })
+    })
+  })
+})

src/agents/builtin-agents/general-agents.ts

@@ -67,7 +67,7 @@ export function collectPendingBuiltinAgents(input: {
       }
     }
 
-    const isPrimaryAgent = isFactory(source) && source.mode === "primary"
+    const isPrimaryAgent = isFactory(source) && (source.mode === "primary" || source.mode === "all")
 
     let resolution = applyModelResolution({
       uiSelectedModel: (isPrimaryAgent && override?.model === undefined) ? uiSelectedModel : undefined,