test(config-handler): add tests for plan demote and prometheus mode

src/plugin-handlers/config-handler.test.ts

@@ -1,6 +1,168 @@
-import { describe, test, expect } from "bun:test"
-import { resolveCategoryConfig } from "./config-handler"
+import { describe, test, expect, mock, beforeEach } from "bun:test"
+import { resolveCategoryConfig, createConfigHandler } from "./config-handler"
 import type { CategoryConfig } from "../config/schema"
+import type { OhMyOpenCodeConfig } from "../config"
+
+mock.module("../agents", () => ({
+  createBuiltinAgents: async () => ({
+    sisyphus: { name: "sisyphus", prompt: "test", mode: "primary" },
+    oracle: { name: "oracle", prompt: "test", mode: "subagent" },
+  }),
+}))
+
+mock.module("../agents/sisyphus-junior", () => ({
+  createSisyphusJuniorAgentWithOverrides: () => ({
+    name: "sisyphus-junior",
+    prompt: "test",
+    mode: "subagent",
+  }),
+}))
+
+mock.module("../features/claude-code-command-loader", () => ({
+  loadUserCommands: async () => ({}),
+  loadProjectCommands: async () => ({}),
+  loadOpencodeGlobalCommands: async () => ({}),
+  loadOpencodeProjectCommands: async () => ({}),
+}))
+
+mock.module("../features/builtin-commands", () => ({
+  loadBuiltinCommands: () => ({}),
+}))
+
+mock.module("../features/opencode-skill-loader", () => ({
+  loadUserSkills: async () => ({}),
+  loadProjectSkills: async () => ({}),
+  loadOpencodeGlobalSkills: async () => ({}),
+  loadOpencodeProjectSkills: async () => ({}),
+  discoverUserClaudeSkills: async () => [],
+  discoverProjectClaudeSkills: async () => [],
+  discoverOpencodeGlobalSkills: async () => [],
+  discoverOpencodeProjectSkills: async () => [],
+}))
+
+mock.module("../features/claude-code-agent-loader", () => ({
+  loadUserAgents: () => ({}),
+  loadProjectAgents: () => ({}),
+}))
+
+mock.module("../features/claude-code-mcp-loader", () => ({
+  loadMcpConfigs: async () => ({ servers: {} }),
+}))
+
+mock.module("../features/claude-code-plugin-loader", () => ({
+  loadAllPluginComponents: async () => ({
+    commands: {},
+    skills: {},
+    agents: {},
+    mcpServers: {},
+    hooksConfigs: [],
+    plugins: [],
+    errors: [],
+  }),
+}))
+
+mock.module("../mcp", () => ({
+  createBuiltinMcps: () => ({}),
+}))
+
+mock.module("../shared", () => ({
+  log: () => {},
+  fetchAvailableModels: async () => new Set(["anthropic/claude-opus-4-5"]),
+  readConnectedProvidersCache: () => null,
+}))
+
+mock.module("../shared/opencode-config-dir", () => ({
+  getOpenCodeConfigPaths: () => ({
+    global: "/tmp/.config/opencode",
+    project: "/tmp/.opencode",
+  }),
+}))
+
+mock.module("../shared/permission-compat", () => ({
+  migrateAgentConfig: (config: Record<string, unknown>) => config,
+}))
+
+mock.module("../shared/migration", () => ({
+  AGENT_NAME_MAP: {},
+}))
+
+mock.module("../shared/model-resolver", () => ({
+  resolveModelWithFallback: () => ({ model: "anthropic/claude-opus-4-5" }),
+}))
+
+mock.module("../shared/model-requirements", () => ({
+  AGENT_MODEL_REQUIREMENTS: {
+    prometheus: { fallbackChain: [{ providers: ["anthropic"], model: "claude-opus-4-5" }] },
+  },
+}))
+
+describe("Plan agent demote behavior", () => {
+  test("plan agent should be demoted to subagent mode when replacePlan is true", async () => {
+    // #given
+    const pluginConfig: OhMyOpenCodeConfig = {
+      sisyphus_agent: {
+        planner_enabled: true,
+        replace_plan: true,
+      },
+    }
+    const config: Record<string, unknown> = {
+      model: "anthropic/claude-opus-4-5",
+      agent: {
+        plan: {
+          name: "plan",
+          mode: "primary",
+          prompt: "original plan prompt",
+        },
+      },
+    }
+    const handler = createConfigHandler({
+      ctx: { directory: "/tmp" },
+      pluginConfig,
+      modelCacheState: {
+        anthropicContext1MEnabled: false,
+        modelContextLimitsCache: new Map(),
+      },
+    })
+
+    // #when
+    await handler(config)
+
+    // #then
+    const agents = config.agent as Record<string, { mode?: string; name?: string }>
+    expect(agents.plan).toBeDefined()
+    expect(agents.plan.mode).toBe("subagent")
+    expect(agents.plan.name).toBe("plan")
+  })
+
+  test("prometheus should have mode 'all' to be callable via delegate_task", async () => {
+    // #given
+    const pluginConfig: OhMyOpenCodeConfig = {
+      sisyphus_agent: {
+        planner_enabled: true,
+      },
+    }
+    const config: Record<string, unknown> = {
+      model: "anthropic/claude-opus-4-5",
+      agent: {},
+    }
+    const handler = createConfigHandler({
+      ctx: { directory: "/tmp" },
+      pluginConfig,
+      modelCacheState: {
+        anthropicContext1MEnabled: false,
+        modelContextLimitsCache: new Map(),
+      },
+    })
+
+    // #when
+    await handler(config)
+
+    // #then
+    const agents = config.agent as Record<string, { mode?: string }>
+    expect(agents.prometheus).toBeDefined()
+    expect(agents.prometheus.mode).toBe("all")
+  })
+})
 
 describe("Prometheus category config resolution", () => {
   test("resolves ultrabrain category config", () => {