feat(agent): add web_fetch local tool with tests

e2e-tests/snapshots/local_agent_ask.spec.ts_local-agent-ask-mode-1.txt

@@ -276,6 +276,43 @@
           }
         }
       },
+      {
+        "type": "function",
+        "function": {
+          "name": "web_fetch",
+          "description": "Fetch content from a URL.\n\nUse this when you need the contents of a specific web page or endpoint.\n\nParameters:\n- url: Must start with http:// or https://\n- format: \"text\", \"markdown\", or \"html\" (defaults to \"markdown\")\n- timeout: Optional timeout in seconds (max 120)\n\nNotes:\n- Responses larger than 5MB are rejected.\n- Binary responses (including images) are not returned as text content.",
+          "parameters": {
+            "$schema": "http://json-schema.org/draft-07/schema#",
+            "type": "object",
+            "properties": {
+              "url": {
+                "type": "string",
+                "description": "The URL to fetch content from"
+              },
+              "format": {
+                "type": "string",
+                "enum": [
+                  "text",
+                  "markdown",
+                  "html"
+                ],
+                "default": "markdown",
+                "description": "Output format. Defaults to markdown."
+              },
+              "timeout": {
+                "type": "integer",
+                "exclusiveMinimum": 0,
+                "maximum": 120,
+                "description": "Optional timeout in seconds (max 120)."
+              }
+            },
+            "required": [
+              "url"
+            ],
+            "additionalProperties": false
+          }
+        }
+      },
       {
         "type": "function",
         "function": {

e2e-tests/snapshots/local_agent_auto.spec.ts_local-agent---auto-model-1.txt

@@ -451,6 +451,41 @@
           "additionalProperties": false
         }
       },
+      {
+        "type": "function",
+        "name": "web_fetch",
+        "description": "Fetch content from a URL.\n\nUse this when you need the contents of a specific web page or endpoint.\n\nParameters:\n- url: Must start with http:// or https://\n- format: \"text\", \"markdown\", or \"html\" (defaults to \"markdown\")\n- timeout: Optional timeout in seconds (max 120)\n\nNotes:\n- Responses larger than 5MB are rejected.\n- Binary responses (including images) are not returned as text content.",
+        "parameters": {
+          "$schema": "http://json-schema.org/draft-07/schema#",
+          "type": "object",
+          "properties": {
+            "url": {
+              "type": "string",
+              "description": "The URL to fetch content from"
+            },
+            "format": {
+              "type": "string",
+              "enum": [
+                "text",
+                "markdown",
+                "html"
+              ],
+              "default": "markdown",
+              "description": "Output format. Defaults to markdown."
+            },
+            "timeout": {
+              "type": "integer",
+              "exclusiveMinimum": 0,
+              "maximum": 120,
+              "description": "Optional timeout in seconds (max 120)."
+            }
+          },
+          "required": [
+            "url"
+          ],
+          "additionalProperties": false
+        }
+      },
       {
         "type": "function",
         "name": "update_todos",

e2e-tests/snapshots/local_agent_basic.spec.ts_local-agent---dump-request-1.txt

@@ -465,6 +465,43 @@
           }
         }
       },
+      {
+        "type": "function",
+        "function": {
+          "name": "web_fetch",
+          "description": "Fetch content from a URL.\n\nUse this when you need the contents of a specific web page or endpoint.\n\nParameters:\n- url: Must start with http:// or https://\n- format: \"text\", \"markdown\", or \"html\" (defaults to \"markdown\")\n- timeout: Optional timeout in seconds (max 120)\n\nNotes:\n- Responses larger than 5MB are rejected.\n- Binary responses (including images) are not returned as text content.",
+          "parameters": {
+            "$schema": "http://json-schema.org/draft-07/schema#",
+            "type": "object",
+            "properties": {
+              "url": {
+                "type": "string",
+                "description": "The URL to fetch content from"
+              },
+              "format": {
+                "type": "string",
+                "enum": [
+                  "text",
+                  "markdown",
+                  "html"
+                ],
+                "default": "markdown",
+                "description": "Output format. Defaults to markdown."
+              },
+              "timeout": {
+                "type": "integer",
+                "exclusiveMinimum": 0,
+                "maximum": 120,
+                "description": "Optional timeout in seconds (max 120)."
+              }
+            },
+            "required": [
+              "url"
+            ],
+            "additionalProperties": false
+          }
+        }
+      },
       {
         "type": "function",
         "function": {

src/pro/main/ipc/handlers/local_agent/local_agent_handler.ts

@@ -60,7 +60,7 @@ import {
   type InjectedMessage,
 } from "./prepare_step_utils";
 import { loadTodos } from "./todo_persistence";
-import { ensureDyadGitignored } from "@/ipc/handlers/planUtils";
+import { ensureDyadGitignored } from "@/ipc/handlers/gitignoreUtils";
 import { TOOL_DEFINITIONS } from "./tool_definitions";
 import {
   parseAiMessagesJson,
@@ -429,7 +429,7 @@ export async function handleLocalAgentStream(
     // Ensure .dyad/ is gitignored (idempotent; also done by compaction/plans)
     // Skip in read-only/plan-only mode to avoid modifying the workspace
     if (!readOnly && !planModeOnly) {
-      await ensureDyadGitignored(appPath).catch((err) =>
+      await ensureDyadGitignored(appPath).catch((err: unknown) =>
         logger.warn("Failed to ensure .dyad gitignored:", err),
       );
     }

src/pro/main/ipc/handlers/local_agent/tool_definitions.ts

@@ -24,6 +24,7 @@ import { editFileTool } from "./tools/edit_file";
 import { searchReplaceTool } from "./tools/search_replace";
 import { webSearchTool } from "./tools/web_search";
 import { webCrawlTool } from "./tools/web_crawl";
+import { webFetchTool } from "./tools/web_fetch";
 import { updateTodosTool } from "./tools/update_todos";
 import { runTypeChecksTool } from "./tools/run_type_checks";
 import { grepTool } from "./tools/grep";
@@ -64,6 +65,7 @@ export const TOOL_DEFINITIONS: readonly ToolDefinition[] = [
   readLogsTool,
   webSearchTool,
   webCrawlTool,
+  webFetchTool,
   updateTodosTool,
   runTypeChecksTool,
   // Plan mode tools