LLM cleanup

.opencode/opencode.jsonc

@@ -10,4 +10,5 @@
       "options": {},
     },
   },
+  "mcp": {},
 }

packages/desktop/src/context/local.tsx

@@ -78,7 +78,7 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
     })
 
     const agent = (() => {
-      const list = createMemo(() => sync.data.agent.filter((x) => x.mode !== "subagent"))
+      const list = createMemo(() => sync.data.agent.filter((x) => x.mode !== "subagent" && !x.hidden))
       const [store, setStore] = createStore<{
         current: string
       }>({

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",
@@ -124,38 +131,51 @@ 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",
         tools: { ...defaultTools },
         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,

packages/opencode/src/agent/prompt/explore.txt

@@ -0,0 +1,18 @@
+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.

packages/opencode/src/session/prompt/title.txt → packages/opencode/src/agent/prompt/title.txt

@@ -22,8 +22,8 @@ Your output must be:
 - The title should NEVER include "summarizing" or "generating" when generating a title
 - DO NOT SAY YOU CANNOT GENERATE A TITLE OR COMPLAIN ABOUT THE INPUT
 - Always output something meaningful, even if the input is minimal.
-- If the user message is short or conversational (e.g. “hello”, “lol”, “whats up”, “hey”):
-  → create a title that reflects the user’s tone or intent (such as Greeting, Quick check-in, Light chat, Intro message, etc.)
+- If the user message is short or conversational (e.g. "hello", "lol", "whats up", "hey"):
+  → create a title that reflects the user's tone or intent (such as Greeting, Quick check-in, Light chat, Intro message, etc.)
 </rules>
 
 <examples>

packages/opencode/src/cli/cmd/agent.ts

@@ -227,8 +227,8 @@ const AgentListCommand = cmd({
       async fn() {
         const agents = await Agent.list()
         const sortedAgents = agents.sort((a, b) => {
-          if (a.builtIn !== b.builtIn) {
-            return a.builtIn ? -1 : 1
+          if (a.native !== b.native) {
+            return a.native ? -1 : 1
           }
           return a.name.localeCompare(b.name)
         })

packages/opencode/src/cli/cmd/tui/component/dialog-agent.tsx

@@ -12,7 +12,7 @@ export function DialogAgent() {
       return {
         value: item.name,
         title: item.name,
-        description: item.builtIn ? "native" : item.description,
+        description: item.native ? "native" : item.description,
       }
     }),
   )

packages/opencode/src/cli/cmd/tui/component/prompt/autocomplete.tsx

@@ -184,7 +184,7 @@ export function Autocomplete(props: {
   const agents = createMemo(() => {
     const agents = sync.data.agent
     return agents
-      .filter((agent) => !agent.builtIn && agent.mode !== "primary")
+      .filter((agent) => !agent.hidden && agent.mode !== "primary")
       .map(
         (agent): AutocompleteOption => ({
           display: "@" + agent.name,

packages/opencode/src/cli/cmd/tui/context/local.tsx

@@ -52,7 +52,7 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
     })
 
     const agent = iife(() => {
-      const agents = createMemo(() => sync.data.agent.filter((x) => x.mode !== "subagent"))
+      const agents = createMemo(() => sync.data.agent.filter((x) => x.mode !== "subagent" && !x.hidden))
       const [agentStore, setAgentStore] = createStore<{
         current: string
       }>({

packages/opencode/src/provider/provider.ts

@@ -858,7 +858,7 @@ export namespace Provider {
     return info
   }
 
-  export async function getLanguage(model: Model) {
+  export async function getLanguage(model: Model): Promise<LanguageModelV2> {
     const s = await state()
     const key = `${model.providerID}/${model.id}`
     if (s.models.has(key)) return s.models.get(key)!

packages/opencode/src/session/compaction.ts

@@ -1,22 +1,18 @@
 import { BusEvent } from "@/bus/bus-event"
 import { Bus } from "@/bus"
-import { wrapLanguageModel, type ModelMessage } from "ai"
 import { Session } from "."
 import { Identifier } from "../id/id"
 import { Instance } from "../project/instance"
 import { Provider } from "../provider/provider"
 import { MessageV2 } from "./message-v2"
-import { SystemPrompt } from "./system"
 import z from "zod"
 import { SessionPrompt } from "./prompt"
 import { Flag } from "../flag/flag"
 import { Token } from "../util/token"
-import { Config } from "../config/config"
 import { Log } from "../util/log"
-import { ProviderTransform } from "@/provider/transform"
 import { SessionProcessor } from "./processor"
 import { fn } from "@/util/fn"
-import { mergeDeep, pipe } from "remeda"
+import { Agent } from "@/agent/agent"
 
 export namespace SessionCompaction {
   const log = Log.create({ service: "session.compaction" })
@@ -90,24 +86,21 @@ export namespace SessionCompaction {
     parentID: string
     messages: MessageV2.WithParts[]
     sessionID: string
-    model: {
-      providerID: string
-      modelID: string
-    }
-    agent: string
     abort: AbortSignal
     auto: boolean
   }) {
-    const cfg = await Config.get()
-    const model = await Provider.getModel(input.model.providerID, input.model.modelID)
-    const language = await Provider.getLanguage(model)
-    const system = [...SystemPrompt.compaction(model.providerID)]
+    const userMessage = input.messages.findLast((m) => m.info.id === input.parentID)!.info as MessageV2.User
+    const agent = await Agent.get("compaction")
+    const model = agent.model
+      ? await Provider.getModel(agent.model.providerID, agent.model.modelID)
+      : await Provider.getModel(userMessage.model.providerID, userMessage.model.modelID)
     const msg = (await Session.updateMessage({
       id: Identifier.ascending("message"),
       role: "assistant",
       parentID: input.parentID,
       sessionID: input.sessionID,
-      mode: input.agent,
+      mode: "compaction",
+      agent: "compaction",
       summary: true,
       path: {
         cwd: Instance.directory,
@@ -120,7 +113,7 @@ export namespace SessionCompaction {
         reasoning: 0,
         cache: { read: 0, write: 0 },
       },
-      modelID: input.model.modelID,
+      modelID: model.id,
       providerID: model.providerID,
       time: {
         created: Date.now(),
@@ -129,46 +122,18 @@ export namespace SessionCompaction {
     const processor = SessionProcessor.create({
       assistantMessage: msg,
       sessionID: input.sessionID,
-      model: model,
+      model,
       abort: input.abort,
     })
     const result = await processor.process({
-      onError(error) {
-        log.error("stream error", {
-          error,
-        })
-      },
-      // set to 0, we handle loop
-      maxRetries: 0,
-      providerOptions: ProviderTransform.providerOptions(
-        model,
-        pipe({}, mergeDeep(ProviderTransform.options(model, input.sessionID)), mergeDeep(model.options)),
-      ),
-      headers: model.headers,
-      abortSignal: input.abort,
-      tools: model.capabilities.toolcall ? {} : undefined,
+      user: userMessage,
+      agent,
+      abort: input.abort,
+      sessionID: input.sessionID,
+      tools: {},
+      system: [],
       messages: [
-        ...system.map(
-          (x): ModelMessage => ({
-            role: "system",
-            content: x,
-          }),
-        ),
-        ...MessageV2.toModelMessage(
-          input.messages.filter((m) => {
-            if (m.info.role !== "assistant" || m.info.error === undefined) {
-              return true
-            }
-            if (
-              MessageV2.AbortedError.isInstance(m.info.error) &&
-              m.parts.some((part) => part.type !== "step-start" && part.type !== "reasoning")
-            ) {
-              return true
-            }
-
-            return false
-          }),
-        ),
+        ...MessageV2.toModelMessage(input.messages),
         {
           role: "user",
           content: [
@@ -179,28 +144,9 @@ export namespace SessionCompaction {
           ],
         },
       ],
-      model: wrapLanguageModel({
-        model: language,
-        middleware: [
-          {
-            async transformParams(args) {
-              if (args.type === "stream") {
-                // @ts-expect-error
-                args.params.prompt = ProviderTransform.message(args.params.prompt, model)
-              }
-              return args.params
-            },
-          },
-        ],
-      }),
-      experimental_telemetry: {
-        isEnabled: cfg.experimental?.openTelemetry,
-        metadata: {
-          userId: cfg.username ?? "unknown",
-          sessionId: input.sessionID,
-        },
-      },
+      model,
     })
+
     if (result === "continue" && input.auto) {
       const continueMsg = await Session.updateMessage({
         id: Identifier.ascending("message"),
@@ -209,8 +155,8 @@ export namespace SessionCompaction {
         time: {
           created: Date.now(),
         },
-        agent: input.agent,
-        model: input.model,
+        agent: userMessage.agent,
+        model: userMessage.model,
       })
       await Session.updatePart({
         id: Identifier.ascending("part"),