test(tui): remove redundant export dialog coverage

packages/ai/src/schema/options.ts

@@ -178,6 +178,7 @@ export class LanguageModelCompatibility extends Schema.Class<LanguageModelCompat
   toolSchema: Schema.optional(LanguageModelToolSchemaCompatibility),
   reasoningField: Schema.optional(Schema.String),
   maxTokensField: Schema.optional(LanguageModelMaxTokensFieldCompatibility),
+  requireFinishReason: Schema.optional(Schema.Boolean),
 }) {}
 
 export namespace LanguageModelCompatibility {

packages/ai/test/llm.test.ts

@@ -102,7 +102,7 @@ describe("llm constructors", () => {
     const updated = LanguageModel.update(base, {
       route: responsesRoute,
       defaults: { generation: { maxTokens: 20 } },
-      compatibility: { toolSchema: "gemini" },
+      compatibility: { toolSchema: "gemini", requireFinishReason: false },
     })
     const updatedInput = LanguageModel.input(updated)
 
@@ -110,7 +110,7 @@ describe("llm constructors", () => {
     expect(String(updated.id)).toBe("fake-model")
     expect(updated.route).toBe(responsesRoute)
     expect(updated.defaults?.generation).toEqual({ maxTokens: 20 })
-    expect(updated.compatibility).toEqual({ toolSchema: "gemini" })
+    expect(updated.compatibility).toEqual({ toolSchema: "gemini", requireFinishReason: false })
     expect(updatedInput.defaults).toBe(updated.defaults)
     expect(updatedInput.compatibility).toBe(updated.compatibility)
     expect(String(updatedInput.provider)).toBe("fake")

packages/app/e2e/regression/session-timeline-shell-outline.spec.ts

@@ -57,7 +57,7 @@ for (const deviceScaleFactor of [1.25, 1.5]) {
     expect(edges.box.height).toBeCloseTo(geometry.outputHeight, 2)
     expect(geometry.borderColor).toBe("rgb(255, 0, 255)")
     expect(geometry.boxShadow).toBe("none")
-    expect(geometry.clipMargin).toBe("1px")
+    expect(geometry.clipMargin).toBe("0.5px")
     expect(edges.magenta.top).toBeGreaterThan(0.75)
     expect(edges.magenta.bottom).toBeGreaterThan(0.75)
     expect(edges.magenta.vertical).toBeGreaterThanOrEqual(2)
@@ -117,40 +117,7 @@ test("keeps the patch card inside a fractionally short virtual row", async ({ pa
   expect(edges.luminance.top).toBeLessThan(245)
   expect(edges.luminance.bottom).toBeLessThan(245)
   expect(Math.abs(edges.luminance.bottom - edges.luminance.top)).toBeLessThan(10)
-  expect(geometry.clipMargin).toBe("1px")
-})
-
-test("keeps the shell outline inside a fractionally high virtual row", async ({ page }) => {
-  const shellID = "prt_shell_top_outline"
-  const timeline = await setupTimeline(page, {
-    messages: [userMessage(), assistantMessage([shell(shellID, "completed", "shell output")])],
-    settings: { newLayoutDesigns: true, shellToolPartsExpanded: true },
-    reducedMotion: true,
-    deviceScaleFactor: 1.25,
-  })
-  const part = page.locator(`[data-timeline-part-id="${shellID}"]`)
-  const output = part.locator('[data-component="bash-output"]')
-  const row = page.locator("[data-timeline-key]", { has: part })
-  await expect(output).toBeVisible()
-  await timeline.settle()
-
-  const overflow = await row.evaluate((element) => {
-    const output = element.querySelector<HTMLElement>('[data-component="bash-output"]')
-    if (!output) throw new Error("Shell output is unavailable")
-    const offset = output.getBoundingClientRect().top - element.getBoundingClientRect().top + 0.99
-    output.style.transform = `translateY(-${offset}px)`
-    output.style.setProperty("--v2-border-border-base", "rgb(255, 0, 255)")
-    output.style.setProperty("background", "rgb(0, 0, 0)", "important")
-    return {
-      top: element.getBoundingClientRect().top - output.getBoundingClientRect().top,
-      clipMargin: getComputedStyle(element).overflowClipMargin,
-    }
-  })
-  await timeline.settle()
-
-  expect(overflow.top).toBeCloseTo(0.99, 1)
-  expect(overflow.clipMargin).toBe("1px")
-  expect((await captureCardEdges(page, output)).magenta.top).toBeGreaterThan(0.75)
+  expect(geometry.clipMargin).toBe("0.5px")
 })
 
 test("allows paint rounding for every framed row but not fixed turn gaps", async ({ page }) => {
@@ -186,7 +153,7 @@ test("allows paint rounding for every framed row but not fixed turn gaps", async
       clipMargin: getComputedStyle(element).overflowClipMargin,
     })),
   )
-  expect(rows.filter((row) => row.tag !== "TurnGap").every((row) => row.clipMargin === "1px")).toBe(true)
+  expect(rows.filter((row) => row.tag !== "TurnGap").every((row) => row.clipMargin === "0.5px")).toBe(true)
   expect(rows.filter((row) => row.tag === "TurnGap")).toEqual([{ tag: "TurnGap", clipMargin: "0px" }])
 })
 

packages/app/src/pages/session/timeline/message-timeline.tsx

@@ -1299,8 +1299,8 @@ export function MessageTimeline(props: {
           width: "100%",
           height: `${item().size}px`,
           overflow: "clip",
-          // Fractional virtual starts and measurements can otherwise clip a framed row's outer paint.
-          "overflow-clip-margin": row()._tag === "TurnGap" ? undefined : "1px",
+          // Rounded virtual measurements can otherwise clip a framed row's outer paint.
+          "overflow-clip-margin": row()._tag === "TurnGap" ? undefined : "0.5px",
         }}
       >
         <div

packages/client/src/promise/generated/types.ts

@@ -169,6 +169,8 @@ export type EventLogSynced = { type: "log.synced"; aggregateID: string; seq?: nu
 
 export type ModelReasoningField = "reasoning" | "reasoning_content" | "reasoning_text" | (string & {})
 
+export type ModelMaxTokensField = "max_completion_tokens" | "max_tokens"
+
 export type ModelCapabilities = { tools: boolean; input: Array<string>; output: Array<string> }
 
 export type ModelVariant = {
@@ -1230,7 +1232,11 @@ export type SessionToolCalled = {
 
 export type ToolContent1 = ToolTextContent | ToolFileContent1
 
-export type ModelCompatibility = { reasoningField?: ModelReasoningField }
+export type ModelCompatibility = {
+  reasoningField?: ModelReasoningField
+  maxTokensField?: ModelMaxTokensField
+  requireFinishReason?: boolean
+}
 
 export type ModelCost = {
   tier?: { type: "context"; size: number }

packages/core/test/config/provider.test.ts

@@ -237,7 +237,11 @@ describe("ConfigProviderPlugin.Plugin", () => {
                   models: {
                     chat: {
                       name: "First",
-                      compatibility: { reasoningField: "vendor_reasoning" },
+                      compatibility: {
+                        reasoningField: "vendor_reasoning",
+                        maxTokensField: "max_completion_tokens",
+                        requireFinishReason: false,
+                      },
                       capabilities: { tools: true, input: ["text"], output: ["text"] },
                       disabled: true,
                       limit: { context: 100, output: 50 },
@@ -318,7 +322,11 @@ describe("ConfigProviderPlugin.Plugin", () => {
         expect(model.id).toBe(modelID)
         expect(model.modelID).toBe(Model.ID.make("api-chat"))
         expect(model.name).toBe("Last")
-        expect(model.compatibility).toEqual({ reasoningField: "vendor_reasoning" })
+        expect(model.compatibility).toEqual({
+          reasoningField: "vendor_reasoning",
+          maxTokensField: "max_completion_tokens",
+          requireFinishReason: false,
+        })
         expect(model.capabilities).toEqual({ tools: true, input: ["text"], output: ["text"] })
         expect(model.enabled).toBe(false)
         expect(model.limit).toEqual({ context: 100, output: 75 })

packages/core/test/model-resolver.test.ts

@@ -194,7 +194,11 @@ describe("ModelResolver", () => {
     Effect.gen(function* () {
       const resolved = yield* ModelResolver.fromCatalogModel(
         model(Provider.aisdk("@ai-sdk/openai-compatible"), {
-          compatibility: { reasoningField: "vendor_reasoning" },
+          compatibility: {
+            reasoningField: "vendor_reasoning",
+            maxTokensField: "max_completion_tokens",
+            requireFinishReason: false,
+          },
           settings: {
             apiKey: "settings-secret",
             baseURL: "https://compatible.example/v1",
@@ -204,7 +208,8 @@ describe("ModelResolver", () => {
           body: {},
         }),
       )
-      const request = LLM.request({ model: resolved, prompt: "Hello" })
+      const request = LLM.request({ model: resolved, prompt: "Hello", generation: { maxTokens: 10 } })
+      const prepared = yield* compileRequest(request)
       const headers = yield* resolved.route.auth.apply({
         request,
         method: "POST",
@@ -216,6 +221,10 @@ describe("ModelResolver", () => {
       expect(headers.authorization).toBe("Bearer settings-secret")
       expect(resolved.route.id).toBe("openai-compatible-chat")
       expect(resolved.compatibility?.reasoningField).toBe("vendor_reasoning")
+      expect(resolved.compatibility?.maxTokensField).toBe("max_completion_tokens")
+      expect(resolved.compatibility?.requireFinishReason).toBe(false)
+      expect(prepared.body).toMatchObject({ max_completion_tokens: 10 })
+      expect(prepared.body).not.toHaveProperty("max_tokens")
       expect(resolved.route.endpoint.baseURL).toBe("https://compatible.example/v1")
       expect(resolved.route.defaults.http?.body).toEqual({})
     }),

packages/schema/src/model.ts

@@ -47,9 +47,16 @@ export const ReasoningField: Schema.Codec<ReasoningField> = Schema.Union([
   Schema.String,
 ]).annotate({ identifier: "Model.ReasoningField" })
 
+export const MaxTokensField = Schema.Literals(["max_completion_tokens", "max_tokens"]).annotate({
+  identifier: "Model.MaxTokensField",
+})
+export type MaxTokensField = typeof MaxTokensField.Type
+
 export interface Compatibility extends Schema.Schema.Type<typeof Compatibility> {}
 export const Compatibility = Schema.Struct({
   reasoningField: ReasoningField.pipe(optional),
+  maxTokensField: MaxTokensField.pipe(optional),
+  requireFinishReason: Schema.Boolean.pipe(optional),
 }).annotate({ identifier: "Model.Compatibility" })
 
 export interface Capabilities extends Schema.Schema.Type<typeof Capabilities> {}

packages/schema/test/model.test.ts

@@ -30,3 +30,22 @@ describe("Model.ReasoningField", () => {
       expect(decode(field)).toBe(field)
   })
 })
+
+describe("Model.Compatibility", () => {
+  test("decodes model compatibility overrides", () => {
+    const decode = Schema.decodeUnknownSync(Model.Compatibility)
+
+    expect(decode({})).toEqual({})
+    expect(
+      decode({
+        reasoningField: "vendor_reasoning",
+        maxTokensField: "max_completion_tokens",
+        requireFinishReason: false,
+      }),
+    ).toEqual({
+      reasoningField: "vendor_reasoning",
+      maxTokensField: "max_completion_tokens",
+      requireFinishReason: false,
+    })
+  })
+})

packages/tui/src/ui/dialog-export-options.tsx

@@ -200,10 +200,12 @@ export function DialogExportOptions(props: DialogExportOptionsProps) {
         <box
           paddingLeft={4}
           paddingRight={4}
-          backgroundColor={overlayTheme.background.default}
+          backgroundColor={
+            store.active === "copy" ? theme.background.action.primary.focused : overlayTheme.background.default
+          }
           onMouseUp={() => confirm("copy")}
         >
-          <text fg={overlayTheme.text.default}>Copy</text>
+          <text fg={store.active === "copy" ? theme.text.action.primary.focused : overlayTheme.text.default}>Copy</text>
         </box>
         <box
           paddingLeft={4}