chore: replace big-pickle model with glm-4.7-free

src/agents/AGENTS.md

@@ -28,7 +28,7 @@ agents/
 | Sisyphus | anthropic/claude-opus-4-5 | 0.1 | Primary orchestrator |
 | Atlas | anthropic/claude-opus-4-5 | 0.1 | Master orchestrator |
 | oracle | openai/gpt-5.2 | 0.1 | Consultation, debugging |
-| librarian | opencode/big-pickle | 0.1 | Docs, GitHub search |
+| librarian | opencode/glm-4.7-free | 0.1 | Docs, GitHub search |
 | explore | opencode/gpt-5-nano | 0.1 | Fast contextual grep |
 | multimodal-looker | google/gemini-3-flash | 0.1 | PDF/image analysis |
 | Prometheus | anthropic/claude-opus-4-5 | 0.1 | Strategic planning |

src/agents/librarian.ts

@@ -1,7 +1,9 @@
 import type { AgentConfig } from "@opencode-ai/sdk"
-import type { AgentPromptMetadata } from "./types"
+import type { AgentMode, AgentPromptMetadata } from "./types"
 import { createAgentToolRestrictions } from "../shared/permission-compat"
 
+const MODE: AgentMode = "subagent"
+
 export const LIBRARIAN_PROMPT_METADATA: AgentPromptMetadata = {
   category: "exploration",
   cost: "CHEAP",
@@ -31,7 +33,7 @@ export function createLibrarianAgent(model: string): AgentConfig {
   return {
     description:
       "Specialized codebase understanding agent for multi-repository analysis, searching remote codebases, retrieving official documentation, and finding implementation examples using GitHub CLI, Context7, and Web Search. MUST BE USED when users ask to look up code in remote repositories, explain library internals, or find usage examples in open source. (Librarian - OhMyOpenCode)",
-    mode: "subagent" as const,
+    mode: MODE,
     model,
     temperature: 0.1,
     ...restrictions,

src/agents/oracle.ts

@@ -1,8 +1,10 @@
 import type { AgentConfig } from "@opencode-ai/sdk"
-import type { AgentPromptMetadata } from "./types"
+import type { AgentMode, AgentPromptMetadata } from "./types"
 import { isGptModel } from "./types"
 import { createAgentToolRestrictions } from "../shared/permission-compat"
 
+const MODE: AgentMode = "subagent"
+
 export const ORACLE_PROMPT_METADATA: AgentPromptMetadata = {
   category: "advisor",
   cost: "EXPENSIVE",
@@ -106,7 +108,7 @@ export function createOracleAgent(model: string): AgentConfig {
   const base = {
     description:
       "Read-only consultation agent. High-IQ reasoning specialist for debugging hard problems and high-difficulty architecture design. (Oracle - OhMyOpenCode)",
-    mode: "subagent" as const,
+    mode: MODE,
     model,
     temperature: 0.1,
     ...restrictions,
@@ -119,4 +121,5 @@ export function createOracleAgent(model: string): AgentConfig {
 
   return { ...base, thinking: { type: "enabled", budgetTokens: 32000 } } as AgentConfig
 }
+createOracleAgent.mode = MODE