chore(core): checkpoint model capability defaults

packages/core/src/models-dev.ts

@@ -65,7 +65,7 @@ export const Model = Schema.Struct({
   name: Schema.String,
   family: Schema.optional(Schema.String),
   release_date: Schema.String,
-  attachment: Schema.Boolean,
+  attachment: Schema.optional(Schema.Boolean),
   reasoning: Schema.Boolean,
   reasoning_options: Schema.optional(Schema.Array(ReasoningOption)),
   temperature: Schema.optional(Schema.Boolean),

packages/core/src/plugin/models-dev.ts

@@ -185,11 +185,12 @@ function applyModel(
   draft.family = model.family ? ModelV2.Family.make(model.family) : undefined
   draft.package = model.provider?.npm ? ProviderV2.aisdk(model.provider.npm) : undefined
   draft.settings = model.provider?.api ? { ...draft.settings, baseURL: model.provider.api } : draft.settings
-  draft.capabilities = {
+  const capabilities = ModelV2.Capabilities.defaults({
     tools: model.tool_call,
-    input: [...(model.modalities?.input ?? [])],
-    output: [...(model.modalities?.output ?? [])],
-  }
+    input: model.modalities?.input ?? (model.attachment === false ? ["text"] : undefined),
+    output: model.modalities?.output,
+  })
+  draft.capabilities = { ...capabilities, input: [...capabilities.input], output: [...capabilities.output] }
   mergeVariants(draft, input.variants ?? [])
   draft.time.released = released(model.release_date)
   draft.cost = (input.cost ?? cost(model.cost)).map((item) => ({

packages/core/src/session/runner/llm.ts

@@ -14,6 +14,7 @@ import { SessionError } from "@opencode-ai/schema/session-error"
 import { Money } from "@opencode-ai/schema/money"
 import { Cause, Effect, Exit, Fiber, FiberSet, Layer, Option, Semaphore, Stream } from "effect"
 import { AgentV2 } from "../../agent"
+import { Catalog } from "../../catalog"
 import { Config } from "../../config"
 import { Database } from "../../database/database"
 import { EventV2 } from "../../event"
@@ -137,6 +138,7 @@ const layer = Layer.effect(
     const tools = yield* ToolRegistry.Service
     const hooks = yield* PluginHooks.Service
     const models = yield* SessionRunnerModel.Service
+    const catalog = yield* Catalog.Service
     const store = yield* SessionStore.Service
     const location = yield* Location.Service
     const builtins = yield* InstructionBuiltIns.Service
@@ -234,12 +236,19 @@ const layer = Layer.effect(
       const resolved = yield* models.resolve(session)
       const model = resolved.model
       const providerMetadataKey = model.route.providerMetadataKey ?? model.provider
+      const catalogModel = yield* catalog.model.get(resolved.ref.providerID, resolved.ref.id)
+      if (!catalogModel)
+        return yield* new SessionRunnerModel.ModelUnavailableError({
+          providerID: resolved.ref.providerID,
+          modelID: resolved.ref.id,
+        })
       const entries = yield* SessionHistory.entriesForRunner(db, session.id, checkpoint.baselineSeq)
       const context = entries.map((entry) => entry.message)
       const isLastStep = agent.info?.steps !== undefined && currentStep >= agent.info.steps
-      const toolMaterialization = isLastStep
-        ? undefined
-        : yield* tools.materialize({ permissions: agent.info?.permissions, model })
+      const toolMaterialization =
+        isLastStep || !catalogModel.capabilities.tools
+          ? undefined
+          : yield* tools.materialize({ permissions: agent.info?.permissions, model })
       const promptCacheKey = /^ses_[0-9a-f]{64}$/.test(session.id) ? session.id.slice(4) : session.id
       const request = LLM.request({
         model,
@@ -251,7 +260,7 @@ const layer = Layer.effect(
           .filter((part): part is string => part !== undefined && part.length > 0)
           .map(SystemPart.make),
         messages: [
-          ...toLLMMessages(context, resolved.ref, providerMetadataKey),
+          ...toLLMMessages(context, resolved.ref, providerMetadataKey, catalogModel.capabilities),
           ...(isLastStep ? [Message.assistant(MAX_STEPS_PROMPT)] : []),
         ],
         tools: toolMaterialization?.definitions ?? [],
@@ -380,7 +389,7 @@ const layer = Layer.effect(
       )
 
       const stepUsage = (settlement: NonNullable<ReturnType<typeof publisher.stepSettlement>>) => ({
-        cost: calculateCost(resolved.cost, settlement.tokens),
+        cost: calculateCost(catalogModel.cost, settlement.tokens),
         tokens: settlement.tokens,
       })
 
@@ -687,6 +696,7 @@ export const node = makeLocationNode({
     ToolRegistry.node,
     PluginHooks.node,
     SessionRunnerModel.node,
+    Catalog.node,
     SessionStore.node,
     Location.node,
     InstructionBuiltIns.node,

packages/core/src/session/runner/model.ts

@@ -82,8 +82,6 @@ export interface Resolved {
   readonly model: Model
   /** Selected catalog identity. Durable records and displays must use this, never the API model id. */
   readonly ref: ModelV2.Ref
-  /** Catalog pricing in dollars per million tokens. */
-  readonly cost: ModelV2.Info["cost"]
 }
 
 export interface Interface {
@@ -96,14 +94,13 @@ export class Service extends Context.Service<Service, Interface>()("@opencode/v2
 export const layerWith = (resolve: Interface["resolve"]) => Layer.succeed(Service, Service.of({ resolve }))
 
 /** Builds a Resolved whose catalog identity mirrors the route model. Test or embedding seam. */
-export const resolved = (model: Model, variant?: ModelV2.VariantID, cost: ModelV2.Info["cost"] = []): Resolved => ({
+export const resolved = (model: Model, variant?: ModelV2.VariantID): Resolved => ({
   model,
   ref: ModelV2.Ref.make({
     id: ModelV2.ID.make(model.id),
     providerID: ProviderV2.ID.make(model.provider),
     ...(variant === undefined ? {} : { variant }),
   }),
-  cost,
 })
 
 const apiKey = (model: ModelV2.Info, credential?: Credential.Value) => {
@@ -344,7 +341,6 @@ const layer = Layer.effect(
             providerID: selected.providerID,
             ...(session.model?.variant === undefined ? {} : { variant: session.model.variant }),
           }),
-          cost: selected.cost,
         }
       }),
     })

packages/core/src/session/runner/to-llm-message.ts

@@ -11,8 +11,6 @@ import type { ModelV2 } from "../../model"
 import { SessionMessage } from "../message"
 import type { FileAttachment } from "@opencode-ai/schema/prompt"
 
-const imageMimes = new Set(["image/png", "image/jpeg", "image/gif", "image/webp"])
-
 const media = (file: FileAttachment): ContentPart => ({
   type: "media",
   mediaType: file.mime,
@@ -21,6 +19,23 @@ const media = (file: FileAttachment): ContentPart => ({
   metadata: file.description === undefined ? undefined : { description: file.description },
 })
 
+const modality = (mime: string) => {
+  if (mime.startsWith("image/")) return "image"
+  if (mime.startsWith("audio/")) return "audio"
+  if (mime.startsWith("video/")) return "video"
+  if (mime === "application/pdf") return "pdf"
+  return undefined
+}
+
+const attachment = (file: FileAttachment, capabilities?: ModelV2.Capabilities): ContentPart => {
+  const type = modality(file.mime)
+  if (!type || (capabilities?.input ?? ["text", "image"]).includes(type)) return media(file)
+  return {
+    type: "text",
+    text: `ERROR: Cannot read ${file.name ? `"${file.name}"` : type} (this model does not support ${type} input). Inform the user.`,
+  }
+}
+
 const textAttachment = (file: FileAttachment) =>
   Message.make({
     role: "user",
@@ -168,7 +183,12 @@ const assistant = (message: SessionMessage.Assistant, model: ModelV2.Ref, provid
   ]
 }
 
-function toLLMMessage(message: SessionMessage.Info, model: ModelV2.Ref, providerMetadataKey: string): Message[] {
+function toLLMMessage(
+  message: SessionMessage.Info,
+  model: ModelV2.Ref,
+  providerMetadataKey: string,
+  capabilities?: ModelV2.Capabilities,
+): Message[] {
   switch (message.type) {
     case "agent-switched":
     case "model-switched":
@@ -183,7 +203,9 @@ function toLLMMessage(message: SessionMessage.Info, model: ModelV2.Ref, provider
           role: "user",
           content: [
             { type: "text", text: message.text },
-            ...files.filter((file) => imageMimes.has(file.mime)).map(media),
+            ...files
+              .filter((file) => file.mime !== "text/plain" && file.mime !== "application/x-directory")
+              .map((file) => attachment(file, capabilities)),
           ],
           metadata: {
             ...message.metadata,
@@ -236,4 +258,5 @@ export const toLLMMessages = (
   messages: readonly SessionMessage.Info[],
   model: ModelV2.Ref,
   providerMetadataKey: string = model.providerID,
-) => messages.flatMap((message) => toLLMMessage(message, model, providerMetadataKey))
+  capabilities?: ModelV2.Capabilities,
+) => messages.flatMap((message) => toLLMMessage(message, model, providerMetadataKey, capabilities))

packages/core/src/v1/config/migrate.ts

@@ -7,6 +7,7 @@ import { ConfigMCPV1 } from "./mcp"
 import { ConfigPermissionV1 } from "./permission"
 import { ConfigProviderV1 } from "./provider"
 import { ConfigProviderOptionsV1 } from "./provider-options"
+import { ModelV2 } from "../../model"
 import { ProviderV2 } from "../../provider"
 
 const keys = new Set([
@@ -245,8 +246,15 @@ function migrateModel(info: typeof ConfigProviderV1.Model.Type) {
       : []),
   ]
   const capabilities =
-    info.tool_call !== undefined || info.modalities?.input !== undefined || info.modalities?.output !== undefined
-      ? { tools: info.tool_call ?? false, input: info.modalities?.input ?? [], output: info.modalities?.output ?? [] }
+    info.tool_call !== undefined ||
+    info.attachment !== undefined ||
+    info.modalities?.input !== undefined ||
+    info.modalities?.output !== undefined
+      ? ModelV2.Capabilities.defaults({
+          tools: info.tool_call,
+          input: info.modalities?.input ?? (info.attachment === false ? ["text"] : undefined),
+          output: info.modalities?.output,
+        })
       : undefined
   return {
     modelID: info.id,