Merge remote-tracking branch 'refs/remotes/origin/worktree/web-multimodal-image-input' into worktree/pr555-simplify

# Conflicts:
#	.agents/notes/implemented/feature/2026-07-22-web-multimodal-image-input-and-durable-attachments.i18n.yaml
#	.agents/notes/implemented/feature/2026-07-22-web-multimodal-image-input-and-durable-attachments.md
#	.agents/notes/implemented/feature/2026-07-22-web-multimodal-image-input-and-durable-attachments.zh.md
#	apps/cli/README.i18n.yaml
#	apps/cli/README.md
#	apps/cli/README.zh.md
#	apps/cli/src/app-cli-entry.ts
#	packages/client/connection/src/client/fixture.ts
#	packages/client/ui-conversation/src/client/service.ts
#	packages/host/apiproxy/src/api-proxy.ts
#	packages/host/apiproxy/src/api/host.schema.ts
#	packages/host/apiproxy/src/api/host.ts
#	packages/host/apiproxy/tests/fetch-carrier.spec.ts

packages/host/apiproxy/src/api-proxy.ts

@@ -1425,10 +1425,6 @@ export function createApiProxy(ctx: Context, defaults: ApiProxyDefaults): ApiPro
           cwd: defaults.cwd,
           provider: defaults.provider,
           model: defaults.model,
-          imageLimits: {
-            ...ctx.attachments.imageLimits,
-            mediaTypes: [...ctx.attachments.imageLimits.mediaTypes],
-          },
           attachedSessions: ctx.agents.list().length,
         }))
       },
@@ -1642,7 +1638,8 @@ export function createApiProxy(ctx: Context, defaults: ApiProxyDefaults): ApiPro
           return err(request, { code: 'internal', message: 'skill registry is absent: this deployment does not mount @deepseek-ai/dsh-skill in its composition (cordis.yml or explicit assembly)', details: {} })
         }
         try {
-          const skills = await skillRegistry.list({ cwd })
+          const skills = (await skillRegistry.list({ cwd }))
+            .filter(skill => skill.invocation.modelInvocable && skill.invocation.userInvocable)
           return ok(request, {
             skills: skills.map(skill => ({
               name: skill.name,

packages/host/apiproxy/src/api/host.schema.ts

@@ -6,7 +6,6 @@ import { z } from 'zod'
 import type { DirectoryEntry } from './host.ts'
 import type { RequestPayload, ResponseValue } from './rpc-map.ts'
 import type { Wire } from './rpc.schema.ts'
-import { imageMediaTypeSchema } from './sessions.schema.ts'
 
 /** host.describe request payload (empty object literal). */
 export const hostDescribeRequestSchema = z.object({}) satisfies z.ZodType<Wire<RequestPayload<'host.describe'>>>
@@ -17,13 +16,6 @@ export const hostDescribeValueSchema = z.object({
   cwd: z.string(),
   provider: z.string().optional(),
   model: z.string().optional(),
-  imageLimits: z.object({
-    maxImageBytes: z.number().int().positive(),
-    maxImagesPerMessage: z.number().int().positive(),
-    maxMessageImageBytes: z.number().int().positive(),
-    maxImagePixels: z.number().int().positive(),
-    mediaTypes: z.array(imageMediaTypeSchema),
-  }).optional(),
   attachedSessions: z.number().int().nonnegative(),
 }) satisfies z.ZodType<Wire<ResponseValue<'host.describe'>>>
 

packages/host/apiproxy/src/api/host.ts

@@ -4,7 +4,6 @@
  */
 
 import type { RpcRequest, RpcResponse } from './rpc.ts'
-import type { ImageAttachmentLimits } from '@deepseek-ai/dsh-attachment'
 
 /** One directory row of a listing: a child entry or a breadcrumb ancestor. */
 export interface DirectoryEntry {
@@ -48,8 +47,6 @@ export interface HostApi {
     cwd: string
     provider?: string
     model?: string
-    /** Resolved authoritative image-upload limits. */
-    imageLimits?: ImageAttachmentLimits
     attachedSessions: number
   }>>
 

packages/host/apiproxy/src/api/skills.ts

@@ -20,6 +20,6 @@ export interface SkillEntry {
 
 /** Skill-domain unary methods (the map key skill.* of RpcMethodMap). */
 export interface SkillsApi {
-  /** Lists model-invocable skills for the addressed session's project root. */
+  /** Lists skills usable by the browser's user-selected model-reference path. */
   list(request: RpcRequest<{ sessionId: SessionId }>): Promise<RpcResponse<{ skills: readonly SkillEntry[] }>>
 }