LLM cleanup (#5462)

Co-authored-by: GitHub Action <action@github.com>
Co-authored-by: Aiden Cline <63023139+rekram1-node@users.noreply.github.com>

packages/opencode/src/agent/agent.ts

@@ -2,18 +2,24 @@ import { Config } from "../config/config"
 import z from "zod"
 import { Provider } from "../provider/provider"
 import { generateObject, type ModelMessage } from "ai"
-import PROMPT_GENERATE from "./generate.txt"
 import { SystemPrompt } from "../session/system"
 import { Instance } from "../project/instance"
 import { mergeDeep } from "remeda"
 
+import PROMPT_GENERATE from "./generate.txt"
+import PROMPT_COMPACTION from "./prompt/compaction.txt"
+import PROMPT_EXPLORE from "./prompt/explore.txt"
+import PROMPT_SUMMARY from "./prompt/summary.txt"
+import PROMPT_TITLE from "./prompt/title.txt"
+
 export namespace Agent {
   export const Info = z
     .object({
       name: z.string(),
       description: z.string().optional(),
       mode: z.enum(["subagent", "primary", "all"]),
-      builtIn: z.boolean(),
+      native: z.boolean().optional(),
+      hidden: z.boolean().optional(),
       topP: z.number().optional(),
       temperature: z.number().optional(),
       color: z.string().optional(),
@@ -112,7 +118,8 @@ export namespace Agent {
         options: {},
         permission: agentPermission,
         mode: "subagent",
-        builtIn: true,
+        native: true,
+        hidden: true,
       },
       explore: {
         name: "explore",
@@ -124,30 +131,23 @@ export namespace Agent {
           ...defaultTools,
         },
         description: `Fast agent specialized for exploring codebases. Use this when you need to quickly find files by patterns (eg. "src/components/**/*.tsx"), search code for keywords (eg. "API endpoints"), or answer questions about the codebase (eg. "how do API endpoints work?"). When calling this agent, specify the desired thoroughness level: "quick" for basic searches, "medium" for moderate exploration, or "very thorough" for comprehensive analysis across multiple locations and naming conventions.`,
-        prompt: [
-          `You are a file search specialist. You excel at thoroughly navigating and exploring codebases.`,
-          ``,
-          `Your strengths:`,
-          `- Rapidly finding files using glob patterns`,
-          `- Searching code and text with powerful regex patterns`,
-          `- Reading and analyzing file contents`,
-          ``,
-          `Guidelines:`,
-          `- Use Glob for broad file pattern matching`,
-          `- Use Grep for searching file contents with regex`,
-          `- Use Read when you know the specific file path you need to read`,
-          `- Use Bash for file operations like copying, moving, or listing directory contents`,
-          `- Adapt your search approach based on the thoroughness level specified by the caller`,
-          `- Return file paths as absolute paths in your final response`,
-          `- For clear communication, avoid using emojis`,
-          `- Do not create any files, or run bash commands that modify the user's system state in any way`,
-          ``,
-          `Complete the user's search request efficiently and report your findings clearly.`,
-        ].join("\n"),
+        prompt: PROMPT_EXPLORE,
         options: {},
         permission: agentPermission,
         mode: "subagent",
-        builtIn: true,
+        native: true,
+      },
+      compaction: {
+        name: "compaction",
+        mode: "primary",
+        native: true,
+        hidden: true,
+        prompt: PROMPT_COMPACTION,
+        tools: {
+          "*": false,
+        },
+        options: {},
+        permission: agentPermission,
       },
       build: {
         name: "build",
@@ -155,7 +155,27 @@ export namespace Agent {
         options: {},
         permission: agentPermission,
         mode: "primary",
-        builtIn: true,
+        native: true,
+      },
+      title: {
+        name: "title",
+        mode: "primary",
+        options: {},
+        native: true,
+        hidden: true,
+        permission: agentPermission,
+        prompt: PROMPT_TITLE,
+        tools: {},
+      },
+      summary: {
+        name: "summary",
+        mode: "primary",
+        options: {},
+        native: true,
+        hidden: true,
+        permission: agentPermission,
+        prompt: PROMPT_SUMMARY,
+        tools: {},
       },
       plan: {
         name: "plan",
@@ -165,7 +185,7 @@ export namespace Agent {
           ...defaultTools,
         },
         mode: "primary",
-        builtIn: true,
+        native: true,
       },
     }
     for (const [key, value] of Object.entries(cfg.agent ?? {})) {
@@ -181,7 +201,7 @@ export namespace Agent {
           permission: agentPermission,
           options: {},
           tools: {},
-          builtIn: false,
+          native: false,
         }
       const {
         name,