fix(tui): prevent prompt textarea collapsing to zero width in small windows

packages/app/e2e/projects/projects-switch.spec.ts

@@ -9,7 +9,7 @@ import {
   sessionIDFromUrl,
 } from "../actions"
 import { projectSwitchSelector, promptSelector, workspaceItemSelector, workspaceNewSessionSelector } from "../selectors"
-import { createSdk, dirSlug } from "../utils"
+import { createSdk, dirSlug, sessionPath } from "../utils"
 
 function slugFromUrl(url: string) {
   return /\/([^/]+)\/session(?:\/|$)/.exec(url)?.[1] ?? ""
@@ -51,7 +51,6 @@ test("switching back to a project opens the latest workspace session", async ({
 
   const other = await createTestProject()
   const otherSlug = dirSlug(other)
-  const stamp = Date.now()
   let rootDir: string | undefined
   let workspaceDir: string | undefined
   let sessionID: string | undefined
@@ -80,6 +79,7 @@ test("switching back to a project opens the latest workspace session", async ({
 
         const workspaceSlug = slugFromUrl(page.url())
         workspaceDir = base64Decode(workspaceSlug)
+        if (!workspaceDir) throw new Error(`Failed to decode workspace slug: ${workspaceSlug}`)
         await openSidebar(page)
 
         const workspace = page.locator(workspaceItemSelector(workspaceSlug)).first()
@@ -92,15 +92,14 @@ test("switching back to a project opens the latest workspace session", async ({
 
         await expect(page).toHaveURL(new RegExp(`/${workspaceSlug}/session(?:[/?#]|$)`))
 
-        const prompt = page.locator(promptSelector)
-        await expect(prompt).toBeVisible()
-        await prompt.fill(`project switch remembers workspace ${stamp}`)
-        await prompt.press("Enter")
-
-        await expect.poll(() => sessionIDFromUrl(page.url()) ?? "", { timeout: 30_000 }).not.toBe("")
-        const created = sessionIDFromUrl(page.url())
-        if (!created) throw new Error(`Failed to parse session id from URL: ${page.url()}`)
+        const created = await createSdk(workspaceDir)
+          .session.create()
+          .then((x) => x.data?.id)
+        if (!created) throw new Error(`Failed to create session for workspace: ${workspaceDir}`)
         sessionID = created
+
+        await page.goto(sessionPath(workspaceDir, created))
+        await expect(page.locator(promptSelector)).toBeVisible()
         await expect(page).toHaveURL(new RegExp(`/${workspaceSlug}/session/${created}(?:[/?#]|$)`))
 
         await openSidebar(page)
@@ -114,7 +113,8 @@ test("switching back to a project opens the latest workspace session", async ({
         await expect(rootButton).toBeVisible()
         await rootButton.click()
 
-        await expect(page).toHaveURL(new RegExp(`/${workspaceSlug}/session/${created}(?:[/?#]|$)`))
+        await expect.poll(() => sessionIDFromUrl(page.url()) ?? "").toBe(created)
+        await expect(page).toHaveURL(new RegExp(`/session/${created}(?:[/?#]|$)`))
       },
       { extra: [other] },
     )

packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx

@@ -817,13 +817,15 @@ export function Prompt(props: PromptProps) {
             flexShrink={0}
             backgroundColor={theme.backgroundElement}
             flexGrow={1}
+            overflow="hidden"
           >
             <textarea
               placeholder={placeholderText()}
-              textColor={keybind.leader ? theme.textMuted : theme.text}
-              focusedTextColor={keybind.leader ? theme.textMuted : theme.text}
+              textColor={theme.text}
+              focusedTextColor={theme.text}
               minHeight={1}
               maxHeight={6}
+              minWidth={1}
               onContentChange={() => {
                 const value = input.plainText
                 setStore("prompt", "input", value)

packages/sdk/openapi.json

@@ -2630,6 +2630,76 @@
             "source": "import { createOpencodeClient } from \"@opencode-ai/sdk\n\nconst client = createOpencodeClient()\nawait client.session.message({\n  ...\n})"
           }
         ]
+      },
+      "delete": {
+        "operationId": "session.deleteMessage",
+        "parameters": [
+          {
+            "in": "query",
+            "name": "directory",
+            "schema": {
+              "type": "string"
+            }
+          },
+          {
+            "in": "path",
+            "name": "sessionID",
+            "schema": {
+              "type": "string"
+            },
+            "required": true,
+            "description": "Session ID"
+          },
+          {
+            "in": "path",
+            "name": "messageID",
+            "schema": {
+              "type": "string"
+            },
+            "required": true,
+            "description": "Message ID"
+          }
+        ],
+        "summary": "Delete message",
+        "description": "Permanently delete a specific message (and all of its parts) from a session. This does not revert any file changes that may have been made while processing the message.",
+        "responses": {
+          "200": {
+            "description": "Successfully deleted message",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "boolean"
+                }
+              }
+            }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
+          },
+          "404": {
+            "description": "Not found",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/NotFoundError"
+                }
+              }
+            }
+          }
+        },
+        "x-codeSamples": [
+          {
+            "lang": "js",
+            "source": "import { createOpencodeClient } from \"@opencode-ai/sdk\n\nconst client = createOpencodeClient()\nawait client.session.deleteMessage({\n  ...\n})"
+          }
+        ]
       }
     },
     "/session/{sessionID}/message/{messageID}/part/{partID}": {