fix(terminal): preserve OpenCode Ctrl+Enter on Windows (#33149)

OpenCode Ctrl+Enter sends CSI-u on local Windows ConPTY so it inserts a newline instead of submitting (as on other platforms). Fixes #25372.

src/renderer/src/components/terminal-pane/terminal-ctrl-enter.test.ts

@@ -41,7 +41,7 @@ describe('hasCtrlEnterCsiUAuthorityForPane', () => {
   )
 
   it('authorizes only trusted Ctrl+Enter CSI-u consumers', () => {
-    for (const agent of ['droid', 'grok'] as const) {
+    for (const agent of ['droid', 'grok', 'opencode'] as const) {
       expect(
         hasCtrlEnterCsiUAuthorityForPane(
           {

src/shared/tui-agent-config-types.ts

@@ -62,3 +62,9 @@ export type TuiAgentConfig = {
   /** Ctrl+Enter encoding for agents that consume CSI-u without active kitty flags. */
   ctrlEnterEncoding?: 'csi-u'
 }
+
+/** Authoring form: `launchCmd` and `expectedProcess` default to `detectCmd` (true for most agents). */
+export type TuiAgentConfigSource = Omit<TuiAgentConfig, 'launchCmd' | 'expectedProcess'> & {
+  launchCmd?: string
+  expectedProcess?: string
+}

src/shared/tui-agent-config.ts

@@ -1,6 +1,6 @@
 import type { TuiAgent } from './tui-agent'
 import { getOrcaCliCommandNameForPlatform } from './orca-cli-command-name'
-import type { TuiAgentConfig } from './tui-agent-config-types'
+import type { TuiAgentConfig, TuiAgentConfigSource } from './tui-agent-config-types'
 
 export type {
   AgentPromptInjectionMode,
@@ -10,12 +10,6 @@ export type {
   TuiAgentDetectionRuntime
 } from './tui-agent-config-types'
 
-/** Authoring form: `launchCmd` and `expectedProcess` default to `detectCmd` (true for most agents). */
-type TuiAgentConfigSource = Omit<TuiAgentConfig, 'launchCmd' | 'expectedProcess'> & {
-  launchCmd?: string
-  expectedProcess?: string
-}
-
 function resolveTuiAgentConfig(source: TuiAgentConfigSource): TuiAgentConfig {
   return {
     ...source,
@@ -103,6 +97,8 @@ const TUI_AGENT_CONFIG_SOURCE: Record<TuiAgent, TuiAgentConfigSource> = {
     // was pasted blind, mid-startup (#22479). The signal itself fired every time in
     // those runs, so the budget was the problem, not a dropped escape.
     draftPasteReadyTimeoutMs: 20_000,
+    // Why: OpenCode decodes CSI-u Ctrl+Enter without local ConPTY kitty negotiation (#25372).
+    ctrlEnterEncoding: 'csi-u',
     composerReadyCaptures: [
       'opencode-1-18-32-timed-boot-slow',
       'opencode-1-18-32-timed-boot-hidden-pane',