diff --git a/e2e-tests/fixtures/engine/1.md b/e2e-tests/fixtures/engine/1.md
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/e2e-tests/fixtures/engine/1.md
@@ -0,0 +1 @@
+1
diff --git a/e2e-tests/helpers/test_helper.ts b/e2e-tests/helpers/test_helper.ts
index 2fcdf1d..7dd29cf 100644
--- a/e2e-tests/helpers/test_helper.ts
+++ b/e2e-tests/helpers/test_helper.ts
@@ -341,7 +341,11 @@ export class PageObject {
 
   async selectChatMode(mode: "build" | "ask" | "agent") {
     await this.page.getByTestId("chat-mode-selector").click();
-    await this.page.getByRole("option", { name: mode }).click();
+    await this.page
+      .getByRole("option", {
+        name: mode === "agent" ? "Build with MCP (experimental)" : mode,
+      })
+      .click();
   }
 
   async openContextFilesPicker() {
diff --git a/e2e-tests/snapshots/thinking_budget.spec.ts_thinking-budget-2.txt b/e2e-tests/snapshots/thinking_budget.spec.ts_thinking-budget-2.txt
index 4334f60..f0db542 100644
--- a/e2e-tests/snapshots/thinking_budget.spec.ts_thinking-budget-2.txt
+++ b/e2e-tests/snapshots/thinking_budget.spec.ts_thinking-budget-2.txt
@@ -8,6 +8,14 @@
         "role": "system",
         "content": "[[SYSTEM_MESSAGE]]"
       },
+      {
+        "role": "user",
+        "content": "tc=1"
+      },
+      {
+        "role": "assistant",
+        "content": "1"
+      },
       {
         "role": "user",
         "content": "[dump] hi"
diff --git a/e2e-tests/snapshots/thinking_budget.spec.ts_thinking-budget-4.txt b/e2e-tests/snapshots/thinking_budget.spec.ts_thinking-budget-4.txt
index aa87e68..d2ee45a 100644
--- a/e2e-tests/snapshots/thinking_budget.spec.ts_thinking-budget-4.txt
+++ b/e2e-tests/snapshots/thinking_budget.spec.ts_thinking-budget-4.txt
@@ -8,6 +8,22 @@
         "role": "system",
         "content": "[[SYSTEM_MESSAGE]]"
       },
+      {
+        "role": "user",
+        "content": "tc=1"
+      },
+      {
+        "role": "assistant",
+        "content": "1"
+      },
+      {
+        "role": "user",
+        "content": "[dump] hi"
+      },
+      {
+        "role": "assistant",
+        "content": "[[dyad-dump-path=*]]"
+      },
       {
         "role": "user",
         "content": "[dump] hi"
diff --git a/e2e-tests/snapshots/thinking_budget.spec.ts_thinking-budget-6.txt b/e2e-tests/snapshots/thinking_budget.spec.ts_thinking-budget-6.txt
index 7118400..b28ba32 100644
--- a/e2e-tests/snapshots/thinking_budget.spec.ts_thinking-budget-6.txt
+++ b/e2e-tests/snapshots/thinking_budget.spec.ts_thinking-budget-6.txt
@@ -8,6 +8,30 @@
         "role": "system",
         "content": "[[SYSTEM_MESSAGE]]"
       },
+      {
+        "role": "user",
+        "content": "tc=1"
+      },
+      {
+        "role": "assistant",
+        "content": "1"
+      },
+      {
+        "role": "user",
+        "content": "[dump] hi"
+      },
+      {
+        "role": "assistant",
+        "content": "[[dyad-dump-path=*]]"
+      },
+      {
+        "role": "user",
+        "content": "[dump] hi"
+      },
+      {
+        "role": "assistant",
+        "content": "[[dyad-dump-path=*]]"
+      },
       {
         "role": "user",
         "content": "[dump] hi"
diff --git a/package.json b/package.json
index 37a88ec..e249086 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "dyad",
   "productName": "dyad",
-  "version": "0.30.0-beta.1",
+  "version": "0.31.0-beta.1",
   "description": "Free, local, open-source AI app builder",
   "main": ".vite/build/main.js",
   "repository": {
diff --git a/scripts/generate-playwright-summary.js b/scripts/generate-playwright-summary.js
index 5af16c3..5c68d95 100644
--- a/scripts/generate-playwright-summary.js
+++ b/scripts/generate-playwright-summary.js
@@ -71,7 +71,7 @@ function determineIssueNumber({ context }) {
       context.payload?.workflow_run?.pull_requests?.[0]?.number;
     if (prFromPayload) return prFromPayload;
   } else {
-    throw new Error("This script should only be run in a workflow_run")
+    throw new Error("This script should only be run in a workflow_run");
   }
 
   return null;
diff --git a/src/ipc/shared/language_model_constants.ts b/src/ipc/shared/language_model_constants.ts
index 50eaa11..b5b67f5 100644
--- a/src/ipc/shared/language_model_constants.ts
+++ b/src/ipc/shared/language_model_constants.ts
@@ -152,9 +152,23 @@ export const MODEL_OPTIONS: Record<string, ModelOption[]> = {
       maxOutputTokens: 65_536 - 1,
       // Gemini context window = input token + output token
       contextWindow: 1_048_576,
+      // Recommended by Google: https://ai.google.dev/gemini-api/docs/gemini-3?thinking=high#temperature
       temperature: 1.0,
       dollarSigns: 4,
     },
+    // https://ai.google.dev/gemini-api/docs/models#gemini-3-pro
+    {
+      name: "gemini-3-flash-preview",
+      displayName: "Gemini 3 Flash (Preview)",
+      description: "Powerful coding model at a good price",
+      // See Flash 2.5 comment below (go 1 below just to be safe, even though it seems OK now).
+      maxOutputTokens: 65_536 - 1,
+      // Gemini context window = input token + output token
+      contextWindow: 1_048_576,
+      // Recommended by Google: https://ai.google.dev/gemini-api/docs/gemini-3?thinking=high#temperature
+      temperature: 1.0,
+      dollarSigns: 2,
+    },
     // https://ai.google.dev/gemini-api/docs/models#gemini-2.5-pro-preview-03-25
     {
       name: "gemini-2.5-pro",