test(gui): complete merged image input checks

docs/module-graph.md

@@ -151,6 +151,10 @@ flowchart TD
     pkg_api_gateway["api-gateway"]
     pkg_api_remotes["api-remotes"]
   end
+  subgraph group_attachment["packages/attachment"]
+    pkg_attachment["attachment"]
+    pkg_attachment_local["attachment-local"]
+  end
   subgraph group_bundle["packages/bundle"]
     pkg_base["base"]
     pkg_headless["headless"]
@@ -320,9 +324,8 @@ flowchart TD
   pkg_type_meta --> pkg_invariants
   pkg_typert_generator --> pkg_invariants
   pkg_typert_registry --> pkg_invariants
-  pkg_llm --> pkg_brand
-  pkg_llm --> pkg_invariants
-  pkg_llm --> pkg_timeout
+  pkg_attachment --> pkg_brand
+  pkg_attachment --> pkg_invariants
   pkg_client_connection --> pkg_host_webserver
   pkg_client_connection --> pkg_invariants
   pkg_client_hmr --> pkg_client_modules
@@ -351,12 +354,32 @@ flowchart TD
   pkg_subprocess_local --> pkg_timeout
   pkg_typert_loader --> pkg_invariants
   pkg_typert_loader --> pkg_typert_registry
+  pkg_llm --> pkg_attachment
+  pkg_llm --> pkg_brand
+  pkg_llm --> pkg_invariants
+  pkg_llm --> pkg_timeout
+  pkg_api_gateway --> pkg_client_connection
+  pkg_api_gateway --> pkg_invariants
+  pkg_api_gateway --> pkg_typert_registry
+  pkg_attachment_local --> pkg_attachment
+  pkg_attachment_local --> pkg_invariants
+  pkg_attachment_local --> pkg_paths
+  pkg_credentials_local --> pkg_atomic_write
+  pkg_credentials_local --> pkg_credentials
+  pkg_credentials_local --> pkg_environment
+  pkg_credentials_local --> pkg_invariants
+  pkg_credentials_local --> pkg_paths
+  pkg_settings_local --> pkg_atomic_write
+  pkg_settings_local --> pkg_invariants
+  pkg_settings_local --> pkg_paths
+  pkg_settings_local --> pkg_settings
   pkg_llm_deepseek --> pkg_credentials
   pkg_llm_deepseek --> pkg_environment
   pkg_llm_deepseek --> pkg_invariants
   pkg_llm_deepseek --> pkg_llm
   pkg_llm_deepseek --> pkg_settings
   pkg_llm_deepseek --> pkg_timeout
+  pkg_llm_pi_ai --> pkg_attachment
   pkg_llm_pi_ai --> pkg_credentials
   pkg_llm_pi_ai --> pkg_environment
   pkg_llm_pi_ai --> pkg_invariants
@@ -373,23 +396,11 @@ flowchart TD
   pkg_system_prompt --> pkg_scope
   pkg_web --> pkg_invariants
   pkg_web --> pkg_llm
-  pkg_api_gateway --> pkg_client_connection
-  pkg_api_gateway --> pkg_invariants
-  pkg_api_gateway --> pkg_typert_registry
-  pkg_credentials_local --> pkg_atomic_write
-  pkg_credentials_local --> pkg_credentials
-  pkg_credentials_local --> pkg_environment
-  pkg_credentials_local --> pkg_invariants
-  pkg_credentials_local --> pkg_paths
   pkg_lsp --> pkg_brand
   pkg_lsp --> pkg_invariants
   pkg_lsp --> pkg_llm
   pkg_sandbox --> pkg_invariants
   pkg_sandbox --> pkg_llm
-  pkg_settings_local --> pkg_atomic_write
-  pkg_settings_local --> pkg_invariants
-  pkg_settings_local --> pkg_paths
-  pkg_settings_local --> pkg_settings
   pkg_agent --> pkg_invariants
   pkg_agent --> pkg_llm
   pkg_agent --> pkg_scope
@@ -1044,6 +1055,8 @@ flowchart TD
   pkg_subagent_dsh_sdk --> pkg_session
   pkg_subagent_dsh_sdk --> pkg_subagent
   pkg_subagent_dsh_sdk --> pkg_subprocess
+  pkg_client_ui_conversation --> pkg_attachment
+  pkg_client_ui_conversation --> pkg_brand
   pkg_client_ui_conversation --> pkg_client_locale
   pkg_client_ui_conversation --> pkg_client_runtime
   pkg_client_ui_conversation --> pkg_client_ui_primitives
@@ -1188,7 +1201,7 @@ flowchart TD
 | [`type-meta`](../packages/typert/type-meta) | `typert` | [`invariants`](../packages/support/invariants) |
 | [`typert-generator`](../packages/typert/generator) | `typert` | [`invariants`](../packages/support/invariants) |
 | [`typert-registry`](../packages/typert/registry) | `typert` | [`invariants`](../packages/support/invariants) |
-| [`llm`](../packages/llm/llm) | `llm` | [`brand`](../packages/util/brand), [`invariants`](../packages/support/invariants), [`timeout`](../packages/util/timeout) |
+| [`attachment`](../packages/attachment/attachment) | `attachment` | [`brand`](../packages/util/brand), [`invariants`](../packages/support/invariants) |
 | [`client-connection`](../packages/client/connection) | `client` | [`host-webserver`](../packages/host/webserver), [`invariants`](../packages/support/invariants) |
 | [`client-hmr`](../packages/client/hmr) | `client` | [`client-modules`](../packages/client/modules), [`host-webserver`](../packages/host/webserver), [`invariants`](../packages/support/invariants) |
 | [`credentials`](../packages/credentials/credentials) | `credentials` | [`brand`](../packages/util/brand), [`invariants`](../packages/support/invariants) |
@@ -1201,16 +1214,18 @@ flowchart TD
 | [`storage-sqlite`](../packages/storage/storage-sqlite) | `storage` | [`invariants`](../packages/support/invariants), [`storage`](../packages/storage/storage) |
 | [`subprocess-local`](../packages/subprocess/subprocess-local) | `subprocess` | [`invariants`](../packages/support/invariants), [`subprocess`](../packages/subprocess/subprocess), [`timeout`](../packages/util/timeout) |
 | [`typert-loader`](../packages/typert/loader) | `typert` | [`invariants`](../packages/support/invariants), [`typert-registry`](../packages/typert/registry) |
+| [`llm`](../packages/llm/llm) | `llm` | [`attachment`](../packages/attachment/attachment), [`brand`](../packages/util/brand), [`invariants`](../packages/support/invariants), [`timeout`](../packages/util/timeout) |
+| [`api-gateway`](../packages/api/gateway) | `api` | [`client-connection`](../packages/client/connection), [`invariants`](../packages/support/invariants), [`typert-registry`](../packages/typert/registry) |
+| [`attachment-local`](../packages/attachment/attachment-local) | `attachment` | [`attachment`](../packages/attachment/attachment), [`invariants`](../packages/support/invariants), [`paths`](../packages/util/paths) |
+| [`credentials-local`](../packages/credentials/credentials-local) | `credentials` | [`atomic-write`](../packages/util/atomic-write), [`credentials`](../packages/credentials/credentials), [`environment`](../packages/util/environment), [`invariants`](../packages/support/invariants), [`paths`](../packages/util/paths) |
+| [`settings-local`](../packages/settings/settings-local) | `settings` | [`atomic-write`](../packages/util/atomic-write), [`invariants`](../packages/support/invariants), [`paths`](../packages/util/paths), [`settings`](../packages/settings/settings) |
 | [`llm-deepseek`](../packages/llm/llm-deepseek) | `llm` | [`credentials`](../packages/credentials/credentials), [`environment`](../packages/util/environment), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`settings`](../packages/settings/settings), [`timeout`](../packages/util/timeout) |
-| [`llm-pi-ai`](../packages/llm/llm-pi-ai) | `llm` | [`credentials`](../packages/credentials/credentials), [`environment`](../packages/util/environment), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`settings`](../packages/settings/settings), [`timeout`](../packages/util/timeout) |
+| [`llm-pi-ai`](../packages/llm/llm-pi-ai) | `llm` | [`attachment`](../packages/attachment/attachment), [`credentials`](../packages/credentials/credentials), [`environment`](../packages/util/environment), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`settings`](../packages/settings/settings), [`timeout`](../packages/util/timeout) |
 | [`session`](../packages/core/session) | `core` | [`brand`](../packages/util/brand), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`scope`](../packages/core/scope), [`type-meta`](../packages/typert/type-meta) |
 | [`system-prompt`](../packages/core/system-prompt) | `core` | [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`scope`](../packages/core/scope) |
 | [`web`](../packages/web/web) | `web` | [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm) |
-| [`api-gateway`](../packages/api/gateway) | `api` | [`client-connection`](../packages/client/connection), [`invariants`](../packages/support/invariants), [`typert-registry`](../packages/typert/registry) |
-| [`credentials-local`](../packages/credentials/credentials-local) | `credentials` | [`atomic-write`](../packages/util/atomic-write), [`credentials`](../packages/credentials/credentials), [`environment`](../packages/util/environment), [`invariants`](../packages/support/invariants), [`paths`](../packages/util/paths) |
 | [`lsp`](../packages/lsp/lsp) | `lsp` | [`brand`](../packages/util/brand), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm) |
 | [`sandbox`](../packages/sandbox/sandbox) | `sandbox` | [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm) |
-| [`settings-local`](../packages/settings/settings-local) | `settings` | [`atomic-write`](../packages/util/atomic-write), [`invariants`](../packages/support/invariants), [`paths`](../packages/util/paths), [`settings`](../packages/settings/settings) |
 | [`agent`](../packages/core/agent) | `core` | [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`scope`](../packages/core/scope), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt), [`type-meta`](../packages/typert/type-meta) |
 | [`bash`](../packages/bash/bash) | `bash` | [`invariants`](../packages/support/invariants), [`sandbox`](../packages/sandbox/sandbox), [`subprocess`](../packages/subprocess/subprocess) |
 | [`fs`](../packages/fs/fs) | `fs` | [`brand`](../packages/util/brand), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`sandbox`](../packages/sandbox/sandbox) |
@@ -1335,7 +1350,7 @@ flowchart TD
 | [`agent-spine-demo`](../packages/examples/agent-spine-demo) | `examples` | [`agent`](../packages/core/agent), [`agent-loop`](../packages/core/agent-loop), [`bash-env`](../packages/bash/bash-env), [`goal`](../packages/goal/goal), [`goal-session`](../packages/goal/goal-session), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`llm-retry`](../packages/llm/llm-retry), [`paths`](../packages/util/paths), [`scope`](../packages/core/scope), [`session`](../packages/core/session), [`session-title`](../packages/session-title/session-title), [`skill`](../packages/skill/skill), [`skill-local`](../packages/skill/skill-local), [`system-prompt`](../packages/core/system-prompt), [`tasks-local`](../packages/tasks/tasks-local), [`tool-bash`](../packages/bash/tool-bash), [`tool-goal`](../packages/goal/tool-goal), [`tool-skill`](../packages/skill/tool-skill), [`tool-tasks`](../packages/tasks/tool-tasks), [`tools`](../packages/core/tools), [`workspace-context`](../packages/context/workspace-context) |
 | [`sdk-client`](../packages/sdk/sdk-client) | `sdk` | [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`sdk-protocol`](../packages/sdk/sdk-protocol), [`session`](../packages/core/session) |
 | [`subagent-dsh-sdk`](../packages/subagent/subagent-dsh-sdk) | `subagent` | [`agent`](../packages/core/agent), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`sdk-client`](../packages/sdk/sdk-client), [`session`](../packages/core/session), [`subagent`](../packages/subagent/subagent), [`subprocess`](../packages/subprocess/subprocess) |
-| [`client-ui-conversation`](../packages/client/ui-conversation) | `client` | [`client-locale`](../packages/client/locale), [`client-runtime`](../packages/client/runtime), [`client-ui-primitives`](../packages/client/ui-primitives), [`client-ui-slash`](../packages/client/ui-slash), [`client-ui-slots`](../packages/client/ui-slots), [`invariants`](../packages/support/invariants), [`token-meter`](../packages/llm/token-meter) |
+| [`client-ui-conversation`](../packages/client/ui-conversation) | `client` | [`attachment`](../packages/attachment/attachment), [`brand`](../packages/util/brand), [`client-locale`](../packages/client/locale), [`client-runtime`](../packages/client/runtime), [`client-ui-primitives`](../packages/client/ui-primitives), [`client-ui-slash`](../packages/client/ui-slash), [`client-ui-slots`](../packages/client/ui-slots), [`invariants`](../packages/support/invariants), [`token-meter`](../packages/llm/token-meter) |
 | [`client-ui-layout`](../packages/client/ui-layout) | `client` | [`client-runtime`](../packages/client/runtime), [`client-ui-slots`](../packages/client/ui-slots), [`client-ui-theme`](../packages/client/ui-theme), [`invariants`](../packages/support/invariants) |
 | [`acp-demo`](../packages/examples/acp-demo) | `examples` | [`acp`](../packages/acp/acp), [`agent-spine-demo`](../packages/examples/agent-spine-demo), [`app-boot`](../packages/ui/app-boot), [`invariants`](../packages/support/invariants), [`session-checkpoint-policy`](../packages/session-persistence/session-checkpoint-policy), [`session-persistence-jsonl`](../packages/session-persistence/session-persistence-jsonl), [`session-query`](../packages/session-query/session-query), [`session-query-sqlite`](../packages/session-query/session-query-sqlite), [`tools`](../packages/core/tools), [`workspace-context`](../packages/context/workspace-context) |
 | [`cli-demo`](../packages/examples/cli-demo) | `examples` | [`agent`](../packages/core/agent), [`agent-spine-demo`](../packages/examples/agent-spine-demo), [`app-boot`](../packages/ui/app-boot), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-checkpoint-policy`](../packages/session-persistence/session-checkpoint-policy), [`session-persistence-jsonl`](../packages/session-persistence/session-persistence-jsonl), [`tools`](../packages/core/tools), [`workspace-context`](../packages/context/workspace-context) |

packages/client/ui-conversation/tests/input-bar.spec.tsx

@@ -501,7 +501,7 @@ describe('running and lock semantics (queue cut 1)', () => {
     }
     // Pasted text lands below the fold: scroll down by exactly the overshoot.
     caretAt(500)
-    fireEvent.paste(textarea, { clipboardData: { getData: () => 'pasted' } })
+    fireEvent.paste(textarea, { clipboardData: { items: [], getData: () => 'pasted' } })
     await settle()
     expect(scroll.scrollTop).toBe(88) // 524 - 436
     // Measured on the mirror's own text, at the index the paste left the caret
@@ -510,12 +510,12 @@ describe('running and lock semantics (queue cut 1)', () => {
     expect(measured!.offset).toBe('pasted'.length)
     // A caret already inside the box does not move it.
     caretAt(200)
-    fireEvent.paste(textarea, { clipboardData: { getData: () => 'more' } })
+    fireEvent.paste(textarea, { clipboardData: { items: [], getData: () => 'more' } })
     await settle()
     expect(scroll.scrollTop).toBe(88)
     // Above the fold (a cut can leave it there): scroll back up.
     caretAt(60)
-    fireEvent.paste(textarea, { clipboardData: { getData: () => 'again' } })
+    fireEvent.paste(textarea, { clipboardData: { items: [], getData: () => 'again' } })
     await settle()
     expect(scroll.scrollTop).toBe(48) // 88 - (100 - 60)
     // A caret straight after a newline has nothing on its line to measure, so
@@ -523,7 +523,7 @@ describe('running and lock semantics (queue cut 1)', () => {
     // chromium reports no client rects at all for the collapsed position.
     mirror.style.lineHeight = '24px'
     caretAt(500)
-    fireEvent.paste(textarea, { clipboardData: { getData: () => 'block\n' } })
+    fireEvent.paste(textarea, { clipboardData: { items: [], getData: () => 'block\n' } })
     await settle()
     // The four pastes accumulate at the draft's head, so the caret is at the
     // end of what they inserted — and the measured index is the newline before it.