refactor(core): remove unused agent default method

packages/app/src/context/command.tsx

@@ -248,11 +248,6 @@ export function formatKeybind(config: string, t?: (key: KeyLabel) => string): st
   return IS_MAC ? parts.join("") : parts.join("+")
 }
 
-// KeybindV2 takes an array instead of a string
-export function formatKeybindKeys(config: string, t?: (key: KeyLabel) => string): string[] {
-  return formatKeybindParts(config, t)
-}
-
 function isEditableTarget(target: EventTarget | null) {
   if (!(target instanceof HTMLElement)) return false
   if (target.isContentEditable) return true

packages/app/src/context/file.tsx

@@ -286,13 +286,6 @@ export const { use: useFile, provider: FileProvider } = createSimpleContext({
         children: tree.children,
         expand: tree.expandDir,
         collapse: tree.collapseDir,
-        toggle(input: string) {
-          if (tree.dirState(input)?.expanded) {
-            tree.collapseDir(input)
-            return
-          }
-          tree.expandDir(input)
-        },
       },
       get,
       load,

packages/app/src/context/global-sync/utils.ts

@@ -153,18 +153,6 @@ export function normalizeProviderList(
   }
 }
 
-export function sanitizeProject(project: Project) {
-  if (!project.icon?.url && !project.icon?.override) return project
-  return {
-    ...project,
-    icon: {
-      ...project.icon,
-      url: undefined,
-      override: undefined,
-    },
-  }
-}
-
 export function normalizeProjectInfo(project: Project | CurrentProject): Project {
   return {
     ...project,

packages/app/src/context/layout.tsx

@@ -753,9 +753,6 @@ export const { use: useLayout, provider: LayoutProvider } = createSimpleContext(
       },
       mobileSidebar: {
         opened: createMemo(() => store.mobileSidebar?.opened ?? false),
-        show() {
-          setStore("mobileSidebar", "opened", true)
-        },
         hide() {
           setStore("mobileSidebar", "opened", false)
         },
@@ -961,33 +958,6 @@ export const { use: useLayout, provider: LayoutProvider } = createSimpleContext(
               if (current.reviewOpen.includes(path)) return
               setStore("sessionView", session, "reviewOpen", current.reviewOpen.length, path)
             },
-            closePath(path: string) {
-              const session = key()
-              const current = store.sessionView[session]?.reviewOpen
-              if (!current) return
-
-              const index = current.indexOf(path)
-              if (index === -1) return
-              setStore(
-                "sessionView",
-                session,
-                "reviewOpen",
-                produce((draft) => {
-                  if (!draft) return
-                  draft.splice(index, 1)
-                }),
-              )
-            },
-            togglePath(path: string) {
-              const session = key()
-              const current = store.sessionView[session]?.reviewOpen
-              if (!current || !current.includes(path)) {
-                this.openPath(path)
-                return
-              }
-
-              this.closePath(path)
-            },
           },
         }
       },

packages/app/src/pages/session/helpers.ts

@@ -22,8 +22,6 @@ type TabsInput = {
   fileBrowser?: Accessor<boolean>
 }
 
-export const getSessionKey = (dir: string | undefined, id: string | undefined) => `${dir ?? ""}${id ? `/${id}` : ""}`
-
 export function shouldShowFileTree(input: { visible: boolean; opened: boolean }) {
   return input.opened && input.visible
 }

packages/core/src/agent.ts

@@ -44,7 +44,6 @@ export type Draft = {
 
 export interface Interface extends State.Transformable<Draft> {
   readonly get: (id: ID) => Effect.Effect<Info | undefined>
-  readonly default: () => Effect.Effect<Info | undefined>
   readonly resolve: (id?: ID | string) => Effect.Effect<Info | undefined>
   readonly select: (id?: ID | string) => Effect.Effect<Selection>
   readonly list: () => Effect.Effect<Info[]>
@@ -110,9 +109,6 @@ const layer = Layer.effect(
       get: Effect.fn("Agent.get")(function* (id) {
         return state.get().agents.get(id)
       }),
-      default: Effect.fn("Agent.default")(function* () {
-        return selectedDefault()
-      }),
       resolve: Effect.fn("Agent.resolve")(function* (id) {
         if (id !== undefined) return state.get().agents.get(ID.make(id))
         return selectedDefault()

packages/core/src/catalog.ts

@@ -52,6 +52,7 @@ export interface Interface extends State.Transformable<Draft> {
     readonly all: () => Effect.Effect<Model.Info[]>
     readonly available: () => Effect.Effect<Model.Info[]>
     readonly default: () => Effect.Effect<Model.Info | undefined>
+    readonly small: (providerID: Provider.ID) => Effect.Effect<Model.Info | undefined>
   }
 }
 
@@ -205,6 +206,59 @@ const layer = Layer.effect(
 
           return (yield* result.model.available())[0]
         }),
+
+        small: Effect.fn("Catalog.model.small")(function* (providerID) {
+          const record = state.get().providers.get(providerID)
+          if (!record) return
+          const provider = record.provider
+
+          // TODO: Remove these provider-specific assumptions once model syncing reliably reports available deployments.
+          if (providerID === Provider.ID.azure || providerID === Provider.ID.make("azure-cognitive-services")) {
+            return
+          }
+
+          if (providerID === Provider.ID.opencode) {
+            const gpt5Nano = record.models.get(Model.ID.make("gpt-5-nano"))
+            if (gpt5Nano?.enabled && gpt5Nano.status === "active") return projectModel(gpt5Nano, provider)
+          }
+
+          const candidates = pipe(
+            Array.fromIterable(record.models.values()),
+            Array.filter(
+              (model) =>
+                model.providerID === providerID &&
+                model.enabled &&
+                model.status === "active" &&
+                model.capabilities.input.some((item) => item.startsWith("text")) &&
+                model.capabilities.output.some((item) => item.startsWith("text")),
+            ),
+            Array.map((model) => ({
+              model,
+              cost: model.cost[0] ? model.cost[0].input + model.cost[0].output : 999,
+              age: (Date.now() - model.time.released) / (1000 * 60 * 60 * 24 * 30),
+              small: SMALL_MODEL_RE.test(`${model.id} ${model.family ?? ""} ${model.name}`.toLowerCase()),
+            })),
+            Array.filter((item) => item.cost > 0 && item.age <= 18),
+          )
+
+          const pick = (items: typeof candidates) => {
+            if (!Array.isReadonlyArrayNonEmpty(items)) return
+            const maxCost = Math.max(...items.map((item) => item.cost), 0.01)
+            const maxAge = Math.max(...items.map((item) => item.age), 0.01)
+            const selected = Array.min(
+              items,
+              Order.mapInput(
+                Order.Number,
+                (item: (typeof candidates)[number]) =>
+                  (item.cost / maxCost) * 0.8 + (item.age / maxAge) * 0.2,
+              ),
+            )
+            return projectModel(selected.model, provider)
+          }
+
+          const small = candidates.filter((item) => item.small)
+          return pick(small.length > 0 ? small : candidates)
+        }),
       },
     }
 
@@ -212,4 +266,6 @@ const layer = Layer.effect(
   }),
 )
 
+const SMALL_MODEL_RE = /\b(nano|flash|lite|mini|haiku|small|fast)\b/
+
 export const node = makeLocationNode({ service: Service, layer, deps: [Bus.node, Integration.node] })

packages/core/src/filesystem.ts

@@ -7,7 +7,7 @@ import { FSUtil } from "@opencode-ai/util/fs-util"
 import { Location } from "./location"
 import { PositiveInt, RelativePath } from "./schema"
 import { FileSystemSearch } from "./filesystem/search"
-import { Entry, FileSystem, FindInput, Match } from "@opencode-ai/schema/filesystem"
+import { Entry, FileSystem, FindInput } from "@opencode-ai/schema/filesystem"
 export { Entry, Match, Submatch } from "@opencode-ai/schema/filesystem"
 
 export const ReadInput = Schema.Struct({
@@ -53,8 +53,6 @@ export interface Interface {
   readonly read: (input: ReadInput) => Effect.Effect<{ readonly content: Uint8Array; readonly mime: string }>
   readonly list: (input?: ListInput) => Effect.Effect<Entry[]>
   readonly find: (input: FindInput) => Effect.Effect<Entry[]>
-  readonly glob: (input: GlobInput) => Effect.Effect<readonly Entry[]>
-  readonly grep: (input: GrepInput) => Effect.Effect<readonly Match[]>
 }
 
 export class Service extends Context.Service<Service, Interface>()("@opencode/FileSystem") {}
@@ -76,8 +74,6 @@ const baseLayer = Layer.effect(
     })
     return Service.of({
       find: search.find,
-      glob: search.glob,
-      grep: search.grep,
       read: Effect.fn("FileSystem.read")(function* (input) {
         const target = yield* resolve(input.path)
         const info = yield* fs.stat(target.real).pipe(Effect.orDie)

packages/core/src/filesystem/fff.bun.ts

@@ -3,9 +3,6 @@ import {
   type DirItem,
   type DirSearchResult,
   type FileItem,
-  type GrepCursor,
-  type GrepMatch,
-  type GrepResult,
   type InitOptions,
   type MixedItem,
   type MixedSearchResult,
@@ -45,19 +42,6 @@ export interface MixedSearch {
 export type File = FileItem
 export type Directory = DirItem
 export type Mixed = MixedItem
-export type Cursor = GrepCursor | null
-export type Hit = GrepMatch
-
-export interface Grep {
-  items: GrepResult["items"]
-  totalMatched: number
-  totalFilesSearched: number
-  totalFiles: number
-  filteredFileCount: number
-  nextCursor: Cursor
-  regexFallbackError?: string
-}
-
 export interface Picker {
   destroy(): void
   isScanning(): boolean
@@ -71,14 +55,6 @@ export interface Picker {
       pageSize?: number
     },
   ): Result<Search>
-  glob(
-    pattern: string,
-    opts?: {
-      currentFile?: string
-      pageIndex?: number
-      pageSize?: number
-    },
-  ): Result<Search>
   directorySearch(
     query: string,
     opts?: {
@@ -95,18 +71,6 @@ export interface Picker {
       pageSize?: number
     },
   ): Result<MixedSearch>
-  grep(
-    query: string,
-    opts?: {
-      mode?: "plain" | "regex" | "fuzzy"
-      maxMatchesPerFile?: number
-      timeBudgetMs?: number
-      beforeContext?: number
-      afterContext?: number
-      cursor?: Cursor
-      pageSize?: number
-    },
-  ): Result<Grep>
   trackQuery(query: string, file: string): Result<boolean>
   getHistoricalQuery(offset: number): Result<string | null>
 }
@@ -127,10 +91,8 @@ export function create(opts: Init): Result<Picker> {
       waitForScan: (timeoutMs) => pick.waitForScan(timeoutMs),
       refreshGitStatus: () => pick.refreshGitStatus(),
       fileSearch: (query, next) => pick.fileSearch(query, next),
-      glob: (pattern, next) => pick.glob(pattern, next),
       directorySearch: (query, next) => pick.directorySearch(query, next),
       mixedSearch: (query, next) => pick.mixedSearch(query, next),
-      grep: (query, next) => pick.grep(query, next),
       trackQuery: (query, file) => pick.trackQuery(query, file),
       getHistoricalQuery: (offset) => pick.getHistoricalQuery(offset),
     },

packages/core/src/filesystem/fff.node.ts

@@ -2,9 +2,6 @@ import type {
   DirItem,
   DirSearchResult,
   FileItem,
-  GrepCursor,
-  GrepMatch,
-  GrepResult,
   InitOptions,
   MixedItem,
   MixedSearchResult,
@@ -42,19 +39,6 @@ export interface MixedSearch {
 export type File = FileItem
 export type Directory = DirItem
 export type Mixed = MixedItem
-export type Cursor = GrepCursor | null
-export type Hit = GrepMatch
-
-export interface Grep {
-  items: GrepResult["items"]
-  totalMatched: number
-  totalFilesSearched: number
-  totalFiles: number
-  filteredFileCount: number
-  nextCursor: Cursor
-  regexFallbackError?: string
-}
-
 export interface Picker {
   destroy(): void
   isScanning(): boolean
@@ -68,14 +52,6 @@ export interface Picker {
       pageSize?: number
     },
   ): Result<Search>
-  glob(
-    pattern: string,
-    opts?: {
-      currentFile?: string
-      pageIndex?: number
-      pageSize?: number
-    },
-  ): Result<Search>
   directorySearch(
     query: string,
     opts?: {
@@ -92,18 +68,6 @@ export interface Picker {
       pageSize?: number
     },
   ): Result<MixedSearch>
-  grep(
-    query: string,
-    opts?: {
-      mode?: "plain" | "regex" | "fuzzy"
-      maxMatchesPerFile?: number
-      timeBudgetMs?: number
-      beforeContext?: number
-      afterContext?: number
-      cursor?: Cursor
-      pageSize?: number
-    },
-  ): Result<Grep>
   trackQuery(query: string, file: string): Result<boolean>
   getHistoricalQuery(offset: number): Result<string | null>
 }
@@ -125,10 +89,8 @@ export function create(opts: Init): Result<Picker> {
       waitForScan: (timeoutMs) => pick.waitForScan(timeoutMs),
       refreshGitStatus: () => pick.refreshGitStatus(),
       fileSearch: (query, next) => pick.fileSearch(query, next),
-      glob: (pattern, next) => pick.glob(pattern, next),
       directorySearch: (query, next) => pick.directorySearch(query, next),
       mixedSearch: (query, next) => pick.mixedSearch(query, next),
-      grep: (query, next) => pick.grep(query, next),
       trackQuery: (query, file) => pick.trackQuery(query, file),
       getHistoricalQuery: (offset) => pick.getHistoricalQuery(offset),
     },

packages/core/src/filesystem/location-watcher.ts

@@ -3,7 +3,6 @@ export * as LocationWatcher from "./location-watcher"
 import { makeLocationNode } from "@opencode-ai/util/effect/app-node"
 import { Context, Effect, Layer, Stream } from "effect"
 import { FileSystem } from "@opencode-ai/schema/filesystem"
-import os from "os"
 import path from "path"
 import { Config } from "../config"
 import { Bus } from "../bus"
@@ -44,7 +43,7 @@ const layer = Layer.effect(
       const config = (yield* configService.entries())
         .filter((entry): entry is Config.Document => entry.type === "document")
         .flatMap((item) => item.info.watcher?.ignore ?? [])
-      const home = path.resolve(location.directory) === path.resolve(os.homedir())
+      const home = Protected.isHome(location.directory)
 
       if (!home && location.vcs) {
         const updates = yield* watcher.subscribe({

packages/core/src/filesystem/protected.ts

@@ -3,6 +3,10 @@ import path from "path"
 
 const home = os.homedir()
 
+export function isHome(directory: string) {
+  return path.resolve(directory) === path.resolve(home)
+}
+
 const DARWIN_HOME = [
   "Music",
   "Pictures",

packages/core/src/filesystem/search.ts

@@ -6,15 +6,13 @@ import { Context, Effect, Layer, Schema, Scope } from "effect"
 import { Fff } from "#fff"
 import fuzzysort from "fuzzysort"
 import { FileSystem } from "../filesystem"
-import { FSUtil } from "@opencode-ai/util/fs-util"
 import { Location } from "../location"
 import { Ripgrep } from "../ripgrep"
 import { RelativePath } from "../schema"
+import { Protected } from "./protected"
 
 export interface Interface {
   readonly find: (input: FileSystem.FindInput) => Effect.Effect<FileSystem.Entry[]>
-  readonly glob: (input: FileSystem.GlobInput) => Effect.Effect<readonly FileSystem.Entry[]>
-  readonly grep: (input: FileSystem.GrepInput) => Effect.Effect<readonly FileSystem.Match[]>
 }
 
 export const Options = Schema.Struct({
@@ -27,17 +25,18 @@ export class Service extends Context.Service<Service, Interface>()("@opencode/Fi
 export const ripgrepLayer = Layer.effect(
   Service,
   Effect.gen(function* () {
-    const fs = yield* FSUtil.Service
     const location = yield* Location.Service
     const ripgrep = yield* Ripgrep.Service
     const scope = yield* Scope.Scope
     const files: string[] = []
     const directories = new Set<string>()
+    const home = Protected.isHome(location.directory)
     yield* ripgrep
       .find({
         cwd: location.directory,
         pattern: "*",
-        limit: location.vcs ? Number.MAX_SAFE_INTEGER : 100_000,
+        limit: location.vcs && !home ? Number.MAX_SAFE_INTEGER : 100_000,
+        exclude: home ? [...Protected.names()].map((name) => `${name}/**`) : undefined,
         onEntry: (entry) =>
           Effect.sync(() => {
             files.push(entry.path)
@@ -47,57 +46,6 @@ export const ripgrepLayer = Layer.effect(
       })
       .pipe(Effect.orDie, Effect.asVoid, Effect.forkIn(scope))
     return Service.of({
-      glob: (input) =>
-        Effect.gen(function* () {
-          const target = path.resolve(location.directory, input.path ?? ".")
-          const info = yield* fs.stat(target).pipe(Effect.orDie)
-          const cwd = info.type === "File" ? path.dirname(target) : target
-          return yield* ripgrep
-            .glob({
-              cwd,
-              pattern: input.pattern,
-              limit: input.limit ?? FileSystem.DEFAULT_SEARCH_LIMIT,
-            })
-            .pipe(
-              Effect.map((result) =>
-                result.map((entry) =>
-                  FileSystem.Entry.make({
-                    ...entry,
-                    path: RelativePath.make(path.relative(location.directory, path.resolve(cwd, entry.path))),
-                  }),
-                ),
-              ),
-              Effect.orDie,
-            )
-        }),
-      grep: (input) =>
-        Effect.gen(function* () {
-          const target = path.resolve(location.directory, input.path ?? ".")
-          const info = yield* fs.stat(target).pipe(Effect.orDie)
-          const cwd = info.type === "File" ? path.dirname(target) : target
-          return yield* ripgrep
-            .grep({
-              cwd,
-              pattern: input.pattern,
-              file: info.type === "File" ? path.basename(target) : undefined,
-              include: input.include,
-              limit: input.limit ?? FileSystem.DEFAULT_SEARCH_LIMIT,
-            })
-            .pipe(
-              Effect.map((result) =>
-                result.map((match) =>
-                  FileSystem.Match.make({
-                    ...match,
-                    entry: FileSystem.Entry.make({
-                      ...match.entry,
-                      path: RelativePath.make(path.relative(location.directory, path.resolve(cwd, match.entry.path))),
-                    }),
-                  }),
-                ),
-              ),
-              Effect.orDie,
-            )
-        }),
       find: (input) =>
         Effect.gen(function* () {
           const items =
@@ -139,55 +87,10 @@ export const fffLayer = Layer.effect(
       if (result) yield* Effect.logWarning("failed to initialize fff", { error: result.error })
       return Service.of({
         find: () => Effect.succeed([]),
-        glob: () => Effect.succeed([]),
-        grep: () => Effect.succeed([]),
       })
     }
     yield* Effect.addFinalizer(() => Effect.sync(() => result.value.destroy()).pipe(Effect.ignore))
     return Service.of({
-      glob: (input) =>
-        Effect.sync(() => {
-          const prefix = input.path?.replaceAll("\\", "/").replace(/\/$/, "")
-          const found = result.value.glob(prefix ? `${prefix}/${input.pattern}` : input.pattern, {
-            pageIndex: 0,
-            pageSize: input.limit ?? FileSystem.DEFAULT_SEARCH_LIMIT,
-          })
-          if (!found.ok) throw found.error
-          return found.value.items.map((item) =>
-            FileSystem.Entry.make({
-              path: RelativePath.make(item.relativePath.replaceAll("\\", "/")),
-              type: "file",
-            }),
-          )
-        }),
-      grep: (input) =>
-        Effect.sync(() => {
-          const prefix = input.path?.replaceAll("\\", "/").replace(/\/$/, "")
-          const found = result.value.grep(
-            [prefix ? `${prefix}/**` : undefined, input.include, input.pattern]
-              .filter((value) => value !== undefined)
-              .join(" "),
-            { mode: "regex", pageSize: input.limit ?? FileSystem.DEFAULT_SEARCH_LIMIT, timeBudgetMs: 1_500 },
-          )
-          if (!found.ok) throw found.error
-          return found.value.items.map((match) => {
-            const bytes = Buffer.from(match.lineContent)
-            return FileSystem.Match.make({
-              entry: FileSystem.Entry.make({
-                path: RelativePath.make(match.relativePath.replaceAll("\\", "/")),
-                type: "file",
-              }),
-              line: match.lineNumber,
-              offset: match.byteOffset,
-              text: match.lineContent.length > 2_000 ? match.lineContent.slice(0, 2_000) + "..." : match.lineContent,
-              submatches: match.matchRanges.map(([start, end]) => ({
-                text: bytes.subarray(start, end).toString("utf8"),
-                start,
-                end,
-              })),
-            })
-          })
-        }),
       find: (input) =>
         Effect.sync(() => {
           const options = { pageIndex: 0, pageSize: input.limit ?? 50 }
@@ -232,18 +135,19 @@ export const fffLayer = Layer.effect(
   }),
 )
 
-export const layer = (options?: Options) => Layer.unwrap(
-  Effect.gen(function* () {
-    if (options?.fff === false || (options?.fff === undefined && process.platform === "win32") || !Fff.available())
-      return ripgrepLayer
-    const location = yield* Location.Service
-    // Non-VCS locations can contain many repositories, so avoid eagerly content-indexing the entire aggregate tree.
-    return location.vcs ? fffLayer : ripgrepLayer
-  }),
-)
+export const layer = (options?: Options) =>
+  Layer.unwrap(
+    Effect.gen(function* () {
+      if (options?.fff === false || (options?.fff === undefined && process.platform === "win32") || !Fff.available())
+        return ripgrepLayer
+      const location = yield* Location.Service
+      // Non-VCS locations can contain many repositories, so avoid eagerly content-indexing the entire aggregate tree.
+      return location.vcs && !Protected.isHome(location.directory) ? fffLayer : ripgrepLayer
+    }),
+  )
 
 export function configured(options?: Options) {
-  return makeLocationNode({ service: Service, layer: layer(options), deps: [FSUtil.node, Location.node, Ripgrep.node] })
+  return makeLocationNode({ service: Service, layer: layer(options), deps: [Location.node, Ripgrep.node] })
 }
 
 export const node = configured()

packages/core/src/project.ts

@@ -59,16 +59,6 @@ export interface Interface {
   readonly list: () => Effect.Effect<ReadonlyArray<Info>>
   readonly directories: (input: DirectoriesInput) => Effect.Effect<Directories>
   readonly resolve: (input: AbsolutePath) => Effect.Effect<Resolved>
-  /**
-   * Temporary bridge method for writing the resolved project ID to the repo-local cache.
-   *
-   * This exists while the old opencode project service and this core project
-   * service work together: core resolves the ID, while the old service still owns
-   * database migration and persistence. The old service should call this after it
-   * finishes migrating from `resolve().previous` to `resolve().id`; once project
-   * persistence moves into core, this separate bridge method can go away.
-   */
-  readonly commit: (input: { store: AbsolutePath; id: ID }) => Effect.Effect<void>
 }
 
 export class Service extends Context.Service<Service, Interface>()("@opencode/Project") {}
@@ -268,11 +258,7 @@ const layer = Layer.effect(
       return yield* persist({ id: ID.global, directory, canonical: directory, vcs: undefined })
     })
 
-    const commit = Effect.fn("Project.commit")(function* (input: { store: AbsolutePath; id: ID }) {
-      yield* fs.writeFileString(path.join(input.store, "opencode"), input.id).pipe(Effect.ignore)
-    })
-
-    return Service.of({ list, directories, resolve, commit })
+    return Service.of({ list, directories, resolve })
   }),
 )
 

packages/core/src/repository-cache.ts

@@ -31,14 +31,6 @@ export type EnsureInput = {
   readonly branch?: string
 }
 
-export class InvalidRepositoryError extends Schema.TaggedErrorClass<InvalidRepositoryError>()(
-  "RepositoryCacheInvalidRepositoryError",
-  {
-    repository: Schema.String,
-    message: Schema.String,
-  },
-) {}
-
 export class InvalidBranchError extends Schema.TaggedErrorClass<InvalidBranchError>()(
   "RepositoryCacheInvalidBranchError",
   {
@@ -86,7 +78,6 @@ export class CacheOperationError extends Schema.TaggedErrorClass<CacheOperationE
 ) {}
 
 export type Error =
-  | InvalidRepositoryError
   | InvalidBranchError
   | CloneFailedError
   | FetchFailedError
@@ -103,7 +94,6 @@ export class Service extends Context.Service<Service, Interface>()("@opencode/Re
 
 export function isError(error: unknown): error is Error {
   return (
-    error instanceof InvalidRepositoryError ||
     error instanceof InvalidBranchError ||
     error instanceof CloneFailedError ||
     error instanceof FetchFailedError ||
@@ -114,13 +104,6 @@ export function isError(error: unknown): error is Error {
   )
 }
 
-export const parseRemote = Effect.fn("RepositoryCache.parseRemote")(function* (repository: string) {
-  return yield* Effect.try({
-    try: () => Repository.parseRemote(repository),
-    catch: (error) => new InvalidRepositoryError({ repository, message: errorMessage(error) }),
-  })
-})
-
 export const validateBranch = Effect.fn("RepositoryCache.validateBranch")(function* (branch: string) {
   return yield* Effect.try({
     try: () => Repository.validateBranch(branch),

packages/core/src/repository.ts

@@ -44,16 +44,6 @@ export class InvalidBranchError extends Schema.TaggedErrorClass<InvalidBranchErr
   message: Schema.String,
 }) {}
 
-export type Error = InvalidReferenceError | UnsupportedLocalRepositoryError | InvalidBranchError
-
-export function isError(error: unknown): error is Error {
-  return (
-    error instanceof InvalidReferenceError ||
-    error instanceof UnsupportedLocalRepositoryError ||
-    error instanceof InvalidBranchError
-  )
-}
-
 export function parse(input: string): Reference | undefined {
   const cleaned = normalizeInput(input)
   if (!cleaned) return

packages/core/src/ripgrep.ts

@@ -52,6 +52,7 @@ export interface FindInput {
   readonly cwd: string
   readonly pattern: string
   readonly limit: number
+  readonly exclude?: readonly string[]
   readonly hidden?: boolean
   readonly follow?: boolean
   readonly signal?: AbortSignal
@@ -195,6 +196,7 @@ const layer = Layer.effect(
             ...(input.hidden ? ["--hidden"] : []),
             ...(input.follow ? ["--follow"] : []),
             ...(input.pattern === "*" ? [] : [`--glob=${input.pattern}`]),
+            ...(input.exclude ?? []).map((pattern) => `--glob=!${pattern}`),
             "--glob=!**/.git/**",
             ".",
           ],

packages/core/src/session/message-updater.ts

@@ -1,12 +1,8 @@
 import { castDraft, produce, type WritableDraft } from "immer"
-import { DateTime, Effect } from "effect"
+import { DateTime, Effect, Match, pipe } from "effect"
 import { SessionEvent } from "./event"
 import { SessionMessage } from "./message"
 
-export type MemoryState = {
-  messages: SessionMessage.Info[]
-}
-
 export interface Adapter {
   readonly getModel: () => Effect.Effect<SessionMessage.ModelSelected["model"] | undefined, never, never>
   readonly getCurrentAssistant: () => Effect.Effect<SessionMessage.Assistant | undefined, never, never>
@@ -23,89 +19,7 @@ export interface Adapter {
   readonly appendMessage: (message: SessionMessage.Info) => Effect.Effect<void, never, never>
 }
 
-export function memory(state: MemoryState): Adapter {
-  const assistantIndex = (messageID: SessionMessage.ID) =>
-    state.messages.findLastIndex((message) => message.id === messageID)
-  const shellIndex = (messageID: SessionMessage.ID) =>
-    state.messages.findLastIndex((message) => message.id === messageID)
-  const compactionIndex = () =>
-    state.messages.findLastIndex((message) => message.type === "compaction" && message.status === "running")
-  // A newer step supersedes stale incomplete rows; never resume an older assistant projection.
-  const latestAssistantIndex = () => state.messages.findLastIndex((message) => message.type === "assistant")
-
-  return {
-    getModel() {
-      return Effect.sync(
-        () =>
-          state.messages.findLast(
-            (message): message is SessionMessage.ModelSelected | SessionMessage.Assistant =>
-              message.type === "model-switched" || message.type === "assistant",
-          )?.model,
-      )
-    },
-    getCurrentAssistant() {
-      return Effect.sync(() => {
-        const index = latestAssistantIndex()
-        if (index < 0) return
-        const assistant = state.messages[index]
-        return assistant?.type === "assistant" && !assistant.time.completed ? assistant : undefined
-      })
-    },
-    getAssistant(messageID) {
-      return Effect.sync(() => {
-        const index = assistantIndex(messageID)
-        if (index < 0) return
-        const assistant = state.messages[index]
-        return assistant?.type === "assistant" ? assistant : undefined
-      })
-    },
-    getShell(shellID) {
-      return Effect.sync(() => {
-        return state.messages.find((message): message is SessionMessage.Shell => {
-          return message.type === "shell" && message.shellID === shellID
-        })
-      })
-    },
-    getCompaction() {
-      return Effect.sync(() => {
-        const index = compactionIndex()
-        const message = state.messages[index]
-        return message?.type === "compaction" ? message : undefined
-      })
-    },
-    updateAssistant(assistant) {
-      return Effect.sync(() => {
-        const index = assistantIndex(assistant.id)
-        if (index < 0) return
-        const current = state.messages[index]
-        if (current?.type !== "assistant") return
-        state.messages[index] = assistant
-      })
-    },
-    updateShell(shell) {
-      return Effect.sync(() => {
-        const index = shellIndex(shell.id)
-        if (index < 0) return
-        const current = state.messages[index]
-        if (current?.type !== "shell") return
-        state.messages[index] = shell
-      })
-    },
-    updateCompaction(compaction) {
-      return Effect.sync(() => {
-        const index = state.messages.findLastIndex((message) => message.id === compaction.id)
-        if (index >= 0) state.messages[index] = compaction
-      })
-    },
-    appendMessage(message) {
-      return Effect.sync(() => {
-        state.messages.push(message)
-      })
-    },
-  }
-}
-
-export function update(adapter: Adapter, event: SessionEvent.Event) {
+export function update(adapter: Adapter, event: SessionEvent.DurableEvent) {
   type DraftAssistant = WritableDraft<SessionMessage.Assistant>
   type DraftTool = WritableDraft<SessionMessage.AssistantTool>
   type DraftText = WritableDraft<SessionMessage.AssistantText>
@@ -139,9 +53,9 @@ export function update(adapter: Adapter, event: SessionEvent.Event) {
     }
   })
 
-  return Effect.gen(function* () {
-    yield* SessionEvent.All.match(event, {
-      "session.usage.updated": () => Effect.void,
+  const project = pipe(
+    Match.type<SessionEvent.DurableEvent>(),
+    Match.discriminatorsExhaustive("type")({
       "session.usage.recorded": () => Effect.void,
       "session.agent.selected": (event) => {
         return adapter.appendMessage(
@@ -321,12 +235,6 @@ export function update(adapter: Adapter, event: SessionEvent.Event) {
           draft.content.push(castDraft(SessionMessage.AssistantText.make({ type: "text", text: "" })))
         })
       },
-      "session.text.delta": (event) => {
-        return updateOwnedAssistant(event.data.assistantMessageID, (draft) => {
-          const match = latestText(draft)
-          if (match) match.text += event.data.delta
-        })
-      },
       "session.text.ended": (event) => {
         return updateOwnedAssistant(event.data.assistantMessageID, (draft) => {
           const match = latestText(draft)
@@ -351,7 +259,6 @@ export function update(adapter: Adapter, event: SessionEvent.Event) {
           )
         })
       },
-      "session.tool.input.delta": () => Effect.void,
       "session.tool.input.ended": (event) => {
         return updateOwnedAssistant(event.data.assistantMessageID, (draft) => {
           const match = latestTool(draft, event.data.id)
@@ -375,14 +282,6 @@ export function update(adapter: Adapter, event: SessionEvent.Event) {
           }
         })
       },
-      "session.tool.progress": (event) => {
-        return updateOwnedAssistant(event.data.assistantMessageID, (draft) => {
-          const match = latestTool(draft, event.data.id)
-          if (match && match.state.status === "running") {
-            match.state.metadata = event.data.metadata
-          }
-        })
-      },
       // Terminal tool events are self-contained; projection is a direct copy and
       // never reaches into ephemeral progress history.
       "session.tool.success": (event) => {
@@ -436,12 +335,6 @@ export function update(adapter: Adapter, event: SessionEvent.Event) {
           )
         })
       },
-      "session.reasoning.delta": (event) => {
-        return updateOwnedAssistant(event.data.assistantMessageID, (draft) => {
-          const match = latestReasoning(draft)
-          if (match) match.text += event.data.delta
-        })
-      },
       "session.reasoning.ended": (event) => {
         return updateOwnedAssistant(event.data.assistantMessageID, (draft) => {
           const match = latestReasoning(draft)
@@ -475,12 +368,6 @@ export function update(adapter: Adapter, event: SessionEvent.Event) {
             time: { created: event.created },
           }),
         ),
-      "session.compaction.delta": (event) =>
-        Effect.gen(function* () {
-          const current = yield* adapter.getCompaction()
-          if (current?.status !== "running") return
-          yield* adapter.updateCompaction({ ...current, summary: current.summary + event.data.text })
-        }),
       "session.compaction.ended": (event) => {
         return Effect.gen(function* () {
           const current = yield* adapter.getCompaction()
@@ -526,8 +413,9 @@ export function update(adapter: Adapter, event: SessionEvent.Event) {
       "session.revert.staged": () => Effect.void,
       "session.revert.cleared": () => Effect.void,
       "session.revert.committed": () => Effect.void,
-    })
-  })
+    }),
+  )
+  return project(event)
 }
 
 export * as SessionMessageUpdater from "./message-updater"

packages/core/test/catalog.test.ts

@@ -1,4 +1,5 @@
 import { describe, expect } from "bun:test"
+import { Money } from "@opencode-ai/schema/money"
 import { Effect, Fiber, Layer, Stream } from "effect"
 import { TestClock } from "effect/testing"
 import { Catalog } from "@opencode-ai/core/catalog"
@@ -291,4 +292,46 @@ describe("Catalog", () => {
       })
     }),
   )
+
+  it.effect("small model prefers small keyword candidates before cost scoring", () =>
+    Effect.gen(function* () {
+      const catalog = yield* Catalog.Service
+      const providerID = Provider.ID.make("test")
+      yield* catalog.transform((catalog) => {
+        catalog.provider.update(providerID, () => {})
+        catalog.model.update(providerID, Model.ID.make("cheap-large"), (model) => {
+          model.capabilities.input = ["text"]
+          model.capabilities.output = ["text"]
+          model.cost = [
+            {
+              input: Money.USDPerMillionTokens.make(1),
+              output: Money.USDPerMillionTokens.make(1),
+              cache: {
+                read: Money.USDPerMillionTokens.zero,
+                write: Money.USDPerMillionTokens.zero,
+              },
+            },
+          ]
+          model.time.released = Date.now()
+        })
+        catalog.model.update(providerID, Model.ID.make("expensive-mini"), (model) => {
+          model.capabilities.input = ["text"]
+          model.capabilities.output = ["text"]
+          model.cost = [
+            {
+              input: Money.USDPerMillionTokens.make(10),
+              output: Money.USDPerMillionTokens.make(10),
+              cache: {
+                read: Money.USDPerMillionTokens.zero,
+                write: Money.USDPerMillionTokens.zero,
+              },
+            },
+          ]
+          model.time.released = Date.now()
+        })
+      })
+
+      expect((yield* catalog.model.small(providerID))?.id).toMatch("expensive-mini")
+    }),
+  )
 })

packages/core/test/effect/layer-node/node-build.test.ts

@@ -80,7 +80,6 @@ describe("node build", () => {
           list: () => Effect.succeed([]),
           directories: () => Effect.succeed([]),
           resolve: (directory) => Effect.succeed({ id: Project.ID.global, directory, canonical: directory }),
-          commit: () => Effect.void,
         })
       }),
     )

packages/core/test/filesystem/search.test.ts

@@ -1,44 +1,59 @@
-import { describe, expect } from "bun:test"
-import fs from "fs/promises"
+import { describe, expect, test } from "bun:test"
+import os from "os"
 import path from "path"
-import { Effect } from "effect"
-import { LayerNode } from "@opencode-ai/util/effect/layer-node"
+import { Effect, Layer } from "effect"
+import { AppNodeBuilder } from "@opencode-ai/core/effect/app-node-builder"
+import { FileSystem } from "@opencode-ai/core/filesystem"
+import { Protected } from "@opencode-ai/core/filesystem/protected"
+import { FileSystemSearch } from "@opencode-ai/core/filesystem/search"
+import { Location } from "@opencode-ai/core/location"
 import { Ripgrep } from "@opencode-ai/core/ripgrep"
 import { AbsolutePath, RelativePath } from "@opencode-ai/core/schema"
-import { tmpdir } from "../fixture/tmpdir"
-import { testEffect } from "../lib/effect"
+import { location } from "../fixture/location"
 
-const it = testEffect(LayerNode.compile(Ripgrep.node))
+describe("FileSystemSearch", () => {
+  test("bounds a home scan even when home is detected as a repository", async () => {
+    let observed: Ripgrep.FindInput | undefined
+    const home = AbsolutePath.make(os.homedir())
+    const layer = AppNodeBuilder.build(FileSystemSearch.node, [
+      [
+        Location.node,
+        Layer.succeed(
+          Location.Service,
+          Location.Service.of(
+            location({ directory: home }, { vcs: { type: "git", store: AbsolutePath.make(path.join(home, ".git")) } }),
+          ),
+        ),
+      ],
+      [
+        Ripgrep.node,
+        Layer.succeed(
+          Ripgrep.Service,
+          Ripgrep.Service.of({
+            find: (input) =>
+              Effect.gen(function* () {
+                observed = input
+                if (input.onEntry)
+                  yield* input.onEntry(FileSystem.Entry.make({ path: RelativePath.make("src/index.ts"), type: "file" }))
+                return []
+              }),
+            glob: () => Effect.succeed([]),
+            grep: () => Effect.succeed([]),
+          }),
+        ),
+      ],
+    ])
 
-const withTmp = <A, E, R>(f: (directory: AbsolutePath) => Effect.Effect<A, E, R>) =>
-  Effect.acquireRelease(
-    Effect.promise(() => tmpdir()),
-    (tmp) => Effect.promise(() => tmp[Symbol.asyncDispose]()),
-  ).pipe(Effect.flatMap((tmp) => f(AbsolutePath.make(tmp.path))))
-
-describe("Ripgrep", () => {
-  it.live("globs files as an array", () =>
-    withTmp((cwd) =>
+    await Effect.runPromise(
       Effect.gen(function* () {
-        yield* Effect.promise(() => fs.mkdir(path.join(cwd, "src")))
-        yield* Effect.promise(() => fs.writeFile(path.join(cwd, "src", "match.ts"), "needle\n"))
-        const result = yield* (yield* Ripgrep.Service).glob({ cwd, pattern: "**/*.ts", limit: 10 })
-        expect(result.map((item) => item.path)).toEqual([RelativePath.make("src/match.ts")])
-      }),
-    ),
-  )
-
-  it.live("greps files with include filtering", () =>
-    withTmp((cwd) =>
-      Effect.gen(function* () {
-        yield* Effect.promise(() => fs.mkdir(path.join(cwd, "src")))
-        yield* Effect.promise(() => fs.writeFile(path.join(cwd, "src", "match.ts"), "needle\n"))
-        yield* Effect.promise(() => fs.writeFile(path.join(cwd, "src", "skip.txt"), "needle\n"))
-        const result = yield* (yield* Ripgrep.Service).grep({ cwd, pattern: "needle", include: "*.ts", limit: 10 })
-        expect(result).toHaveLength(1)
-        expect(result[0]?.entry.path).toBe(RelativePath.make("src/match.ts"))
-        expect(result[0]?.submatches[0]?.text).toBe("needle")
-      }),
-    ),
-  )
+        const search = yield* FileSystemSearch.Service
+        yield* Effect.sleep("10 millis")
+        expect(observed?.limit).toBe(100_000)
+        expect(observed?.exclude).toEqual([...Protected.names()].map((name) => `${name}/**`))
+        expect((yield* search.find({ query: "src", type: "directory" }))[0]?.path).toBe(
+          RelativePath.make(`src${path.sep}`),
+        )
+      }).pipe(Effect.provide(layer), Effect.scoped),
+    )
+  })
 })

packages/core/test/generate.test.ts

@@ -30,6 +30,7 @@ const catalog = Layer.mock(Catalog.Service, {
     all: () => Effect.die("unused"),
     available: () => Effect.die("unused"),
     default: () => Effect.die("unused"),
+    small: () => Effect.die("unused"),
   },
 })
 const integrations = Layer.mock(Integration.Service, {

packages/core/test/location.test.ts

@@ -21,7 +21,6 @@ const projectLayer = Layer.succeed(
         canonical: AbsolutePath.make("/main/repo"),
         vcs: { type: "git", store: AbsolutePath.make("/repo/.git") },
       }),
-    commit: () => Effect.void,
   }),
 )
 const it = testEffect(AppNodeBuilder.build(Location.boundNode(ref), [[Project.node, projectLayer]]))

packages/core/test/plugin/provider-opencode.test.ts

@@ -484,4 +484,31 @@ describe("OpencodePlugin", () => {
       }),
     ),
   )
+
+  it.effect("prefers gpt-5-nano as the opencode small model", () =>
+    Effect.gen(function* () {
+      const catalog = yield* Catalog.Service
+      const providerID = Provider.ID.opencode
+
+      yield* catalog.transform((catalog) => {
+        catalog.provider.update(providerID, () => {})
+        catalog.model.update(providerID, Model.ID.make("cheap-mini"), (model) => {
+          model.capabilities.input = ["text"]
+          model.capabilities.output = ["text"]
+          model.cost = [...cost(1, 1)]
+          model.time.released = Date.now()
+        })
+        catalog.model.update(providerID, Model.ID.make("gpt-5-nano"), (model) => {
+          model.capabilities.input = ["text"]
+          model.capabilities.output = ["text"]
+          model.cost = [...cost(10, 10)]
+          model.time.released = Date.now()
+        })
+      })
+
+      const selected = yield* catalog.model.small(providerID)
+
+      expect(selected?.id).toBe(Model.ID.make("gpt-5-nano"))
+    }),
+  )
 })

packages/core/test/repository-cache.test.ts

@@ -101,13 +101,10 @@ describe("RepositoryCache", () => {
     ),
   )
 
-  it.live("returns typed validation and clone failures", () =>
+  it.live("returns typed branch validation and clone failures", () =>
     withRemote((fixture) =>
       Effect.gen(function* () {
         const cache = yield* RepositoryCache.Service
-        const invalidRepository = yield* Effect.flip(RepositoryCache.parseRemote("not-a-repo"))
-        expect(invalidRepository).toBeInstanceOf(RepositoryCache.InvalidRepositoryError)
-
         const invalidBranch = yield* Effect.flip(cache.ensure({ reference: fixture.reference, branch: "../unsafe" }))
         expect(invalidBranch).toBeInstanceOf(RepositoryCache.InvalidBranchError)
 

packages/core/test/ripgrep.test.ts

@@ -11,6 +11,44 @@ import { testEffect } from "./lib/effect"
 const it = testEffect(LayerNode.compile(Ripgrep.node))
 
 describe("Ripgrep", () => {
+  it.live("globs files as an array", () =>
+    Effect.acquireUseRelease(
+      Effect.promise(() => tmpdir()),
+      (tmp) =>
+        Effect.gen(function* () {
+          yield* Effect.promise(() => fs.mkdir(path.join(tmp.path, "src")))
+          yield* Effect.promise(() => fs.writeFile(path.join(tmp.path, "src", "match.ts"), "needle\n"))
+
+          const result = yield* (yield* Ripgrep.Service).glob({ cwd: tmp.path, pattern: "**/*.ts", limit: 10 })
+          expect(result.map((item) => item.path)).toEqual([RelativePath.make("src/match.ts")])
+        }),
+      (tmp) => Effect.promise(() => tmp[Symbol.asyncDispose]()),
+    ),
+  )
+
+  it.live("greps files with include filtering", () =>
+    Effect.acquireUseRelease(
+      Effect.promise(() => tmpdir()),
+      (tmp) =>
+        Effect.gen(function* () {
+          yield* Effect.promise(() => fs.mkdir(path.join(tmp.path, "src")))
+          yield* Effect.promise(() => fs.writeFile(path.join(tmp.path, "src", "match.ts"), "needle\n"))
+          yield* Effect.promise(() => fs.writeFile(path.join(tmp.path, "src", "skip.txt"), "needle\n"))
+
+          const result = yield* (yield* Ripgrep.Service).grep({
+            cwd: tmp.path,
+            pattern: "needle",
+            include: "*.ts",
+            limit: 10,
+          })
+          expect(result).toHaveLength(1)
+          expect(result[0]?.entry.path).toBe(RelativePath.make("src/match.ts"))
+          expect(result[0]?.submatches[0]?.text).toBe("needle")
+        }),
+      (tmp) => Effect.promise(() => tmp[Symbol.asyncDispose]()),
+    ),
+  )
+
   it.live("keeps ignored files out of catch-all find results", () =>
     Effect.acquireUseRelease(
       Effect.promise(() => tmpdir()),
@@ -63,6 +101,29 @@ describe("Ripgrep", () => {
     ),
   )
 
+  it.live("excludes protected directory trees from catch-all find results", () =>
+    Effect.acquireUseRelease(
+      Effect.promise(() => tmpdir()),
+      (tmp) =>
+        Effect.gen(function* () {
+          yield* Effect.promise(() => fs.mkdir(path.join(tmp.path, "Pictures")))
+          yield* Effect.promise(() => fs.writeFile(path.join(tmp.path, "Pictures", "private.jpg"), "private\n"))
+          yield* Effect.promise(() => fs.writeFile(path.join(tmp.path, "visible.txt"), "visible\n"))
+
+          const files = yield* (yield* Ripgrep.Service).find({
+            cwd: tmp.path,
+            pattern: "*",
+            limit: 10,
+            exclude: ["Pictures/**"],
+          })
+
+          expect(files.map((item) => item.path)).toContain(RelativePath.make("visible.txt"))
+          expect(files.map((item) => item.path)).not.toContain(RelativePath.make("Pictures/private.jpg"))
+        }),
+      (tmp) => Effect.promise(() => tmp[Symbol.asyncDispose]()),
+    ),
+  )
+
   it.live("returns a bounded preview for matches on oversized lines", () =>
     Effect.acquireUseRelease(
       Effect.promise(() => tmpdir()),

packages/core/test/session-compact.test.ts

@@ -36,7 +36,6 @@ const projects = Layer.succeed(
     list: () => Effect.succeed([]),
     resolve: (directory) => Effect.succeed({ id: Project.ID.global, directory, canonical: directory }),
     directories: () => Effect.succeed([]),
-    commit: () => Effect.void,
   }),
 )
 let requests: LLMRequest[] = []

packages/core/test/session-create.test.ts

@@ -34,7 +34,6 @@ const projects = Layer.succeed(
     list: () => Effect.succeed([]),
     resolve: (directory) => Effect.succeed({ id: Project.ID.global, directory, canonical: directory }),
     directories: () => Effect.succeed([]),
-    commit: () => Effect.void,
   }),
 )
 const it = testEffect(

packages/core/test/session-instructions.test.ts

@@ -56,7 +56,6 @@ const projects = Layer.succeed(
     list: () => Effect.succeed([]),
     resolve: (directory) => Effect.succeed({ id: Project.ID.global, directory, canonical: directory }),
     directories: () => Effect.succeed([]),
-    commit: () => Effect.void,
   }),
 )
 const permission = Layer.succeed(

packages/core/test/session-log.test.ts

@@ -23,7 +23,6 @@ const projects = Layer.succeed(
     list: () => Effect.succeed([]),
     resolve: (directory) => Effect.succeed({ id: Project.ID.global, directory, canonical: directory }),
     directories: () => Effect.succeed([]),
-    commit: () => Effect.void,
   }),
 )
 const it = testEffect(

packages/core/test/session-projector.test.ts

@@ -17,7 +17,6 @@ import { Session } from "@opencode-ai/core/session"
 import { SessionEvent } from "@opencode-ai/core/session/event"
 import { SessionMessage } from "@opencode-ai/core/session/message"
 import { Money } from "@opencode-ai/schema/money"
-import { SessionMessageUpdater } from "@opencode-ai/core/session/message-updater"
 import { SessionProjector } from "@opencode-ai/core/session/projector"
 import { SessionExecution } from "@opencode-ai/core/session/execution"
 import { fromRow } from "@opencode-ai/core/session/info"
@@ -126,34 +125,6 @@ describe("SessionProjector", () => {
     }),
   )
 
-  it.effect("folds live compaction deltas into running memory state", () =>
-    Effect.gen(function* () {
-      const state = {
-        messages: [
-          SessionMessage.CompactionRunning.make({
-            id: SessionMessage.ID.make("msg_compaction"),
-            type: "compaction",
-            status: "running",
-            reason: "manual",
-            summary: "partial ",
-            recent: "recent",
-            time: { created },
-          }),
-        ],
-      }
-      yield* SessionMessageUpdater.update(
-        SessionMessageUpdater.memory(state),
-        SessionEvent.Compaction.Delta.make({
-          id: Event.ID.make("evt_delta"),
-          type: "session.compaction.delta",
-          created,
-          data: { sessionID, text: "summary" },
-        }),
-      )
-      expect(state.messages[0]).toMatchObject({ status: "running", summary: "partial summary", recent: "recent" })
-    }),
-  )
-
   it.effect("projects staged, cleared, and committed reverts", () =>
     Effect.gen(function* () {
       const db = (yield* Database.Service).db
@@ -550,31 +521,6 @@ describe("SessionProjector", () => {
     }),
   )
 
-  it.effect("does not revive a stale incomplete in-memory assistant projection", () =>
-    Effect.gen(function* () {
-      const stale = SessionMessage.Assistant.make({
-        id: SessionMessage.ID.make("msg_assistant_stale"),
-        type: "assistant",
-        agent: build,
-        model,
-        content: [],
-        time: { created },
-      })
-      const completed = SessionMessage.Assistant.make({
-        id: SessionMessage.ID.make("msg_assistant_completed"),
-        type: "assistant",
-        agent: build,
-        model,
-        content: [],
-        time: { created: DateTime.makeUnsafe(1), completed: DateTime.makeUnsafe(2) },
-      })
-
-      expect(
-        yield* SessionMessageUpdater.memory({ messages: [stale, completed] }).getCurrentAssistant(),
-      ).toBeUndefined()
-    }),
-  )
-
   it.effect("projects retry state and clears it at the next step or execution terminal", () =>
     Effect.gen(function* () {
       const { db } = yield* Database.Service

packages/core/test/session-remove.test.ts

@@ -19,7 +19,6 @@ const projects = Layer.succeed(
     list: () => Effect.succeed([]),
     resolve: (directory) => Effect.succeed({ id: Project.ID.global, directory, canonical: directory }),
     directories: () => Effect.succeed([]),
-    commit: () => Effect.void,
   }),
 )
 const it = testEffect(

packages/core/test/session-runner-recorded.test.ts

@@ -102,6 +102,7 @@ const promptCatalog = Layer.mock(Catalog.Service, {
     all: () => Effect.succeed([]),
     available: () => Effect.succeed([]),
     default: () => Effect.succeed(undefined),
+    small: () => Effect.succeed(undefined),
   },
 })
 const runnerLayer = (llmClient: Layer.Layer<typeof LLMClient.Service>) =>

packages/core/test/session-runner.test.ts

@@ -362,6 +362,7 @@ const promptCatalog = Layer.mock(Catalog.Service, {
     all: () => Effect.succeed([]),
     available: () => Effect.succeed([]),
     default: () => Effect.succeed(undefined),
+    small: () => Effect.succeed(undefined),
   },
 })
 const runnerLayer = AppNodeBuilder.build(SessionRunnerLLM.node, [

packages/session-ui/src/components/line-comment-styles.ts

@@ -36,10 +36,6 @@ export const lineCommentStyles = `
   border: none;
 }
 
-[data-component="line-comment"][data-variant="add"] [data-slot="line-comment-button"] {
-  background: var(--syntax-diff-add);
-}
-
 [data-component="line-comment"] [data-component="icon"] {
   color: var(--white);
 }

packages/session-ui/src/components/line-comment.tsx

@@ -9,7 +9,7 @@ import { useI18n } from "@opencode-ai/ui/context/i18n"
 
 installLineCommentStyles()
 
-export type LineCommentVariant = "default" | "editor" | "add"
+export type LineCommentVariant = "default" | "editor"
 
 function InlineGlyph(props: { icon: "comment" | "plus" }) {
   return (
@@ -156,25 +156,6 @@ export const LineComment = (props: LineCommentProps) => {
   )
 }
 
-export type LineCommentAddProps = Omit<LineCommentAnchorProps, "children" | "variant" | "open" | "icon"> & {
-  label?: string
-}
-
-export const LineCommentAdd = (props: LineCommentAddProps) => {
-  const [split, rest] = splitProps(props, ["label"])
-  const i18n = useI18n()
-
-  return (
-    <LineCommentAnchor
-      {...rest}
-      open={false}
-      variant="add"
-      icon="plus"
-      buttonLabel={split.label ?? i18n.t("ui.lineComment.submit")}
-    />
-  )
-}
-
 export type LineCommentEditorProps = Omit<LineCommentAnchorProps, "children" | "open" | "variant" | "onClick"> & {
   value: string
   selection: JSX.Element

packages/session-ui/src/components/message-part.tsx

@@ -948,10 +948,6 @@ function ExaOutput(props: { output?: string }) {
   )
 }
 
-export function registerPartComponent(type: string, component: PartComponent) {
-  PART_MAPPING[type] = component
-}
-
 export function Message(props: MessageProps) {
   return (
     <Switch>