Lazy imports for browser-use deps + restore missing bug-report route

browser-use-service/main.py: Made browser_use and langchain_ollama imports lazy (imported only in functions that use them) so the scraper starts without these optional packages.

browser-use-service/main.py

@@ -5,16 +5,11 @@ from fastapi import FastAPI, Query, Body
 from fastapi.middleware.cors import CORSMiddleware
 import uvicorn
 from playwright.async_api import async_playwright
-from browser_use import Agent, Browser
+
+
+# ── Lazy Imports for browser-use (not always available) ──────────────
+def _make_ollama(model: str | None = None, **kwargs):
     from langchain_ollama import ChatOllama
-
-
-# ── Helpers ──────────────────────────────────────────────────────────
-def make_ollama(model: str | None = None, **kwargs) -> ChatOllama:
-    """
-    Create ChatOllama with required attrs for browser-use Agent compatibility.
-    The browser-use Agent expects llm.name, llm.model_name, and llm.provider attrs.
-    """
     llm = ChatOllama(model=model or CLASSIFY_MODEL, **kwargs)
     object.__setattr__(llm, 'provider', 'ollama')
     object.__setattr__(llm, 'name', 'ChatOllama')
@@ -22,6 +17,16 @@ def make_ollama(model: str | None = None, **kwargs) -> ChatOllama:
     return llm
 
 
+def _make_browser(**kwargs):
+    from browser_use import Browser
+    return Browser(**kwargs)
+
+
+def _make_agent(task: str, llm, browser, **kwargs):
+    from browser_use import Agent
+    return Agent(task=task, llm=llm, browser=browser, **kwargs)
+
+
 # ── Logging & App Setup ──────────────────────────────────────────────
 logging.basicConfig(level=logging.INFO, format='%(asctime)s [%(levelname)s] %(message)s')
 logger = logging.getLogger(__name__)
@@ -1263,7 +1268,7 @@ async def _scrape_with_agent(force: bool = False) -> dict:
             profile_dir = copy_chrome_profile(CHROME_PROFILE)
             user_data_dir = profile_dir
 
-        browser = Browser(
+        browser = _make_browser(
             headless=True,
             args=CHROME_LAUNCH_ARGS,
             user_data_dir=user_data_dir,
@@ -1273,7 +1278,7 @@ async def _scrape_with_agent(force: bool = False) -> dict:
 
         all_posts = []
         for query in random.sample(FB_SEARCHES, k=random.randint(2, 4)):
-            agent = Agent(
+            agent = _make_agent(
                 task=f"""You are logged into Facebook. Do the following:
 1. Navigate to facebook.com and make sure you are on the homepage
 2. Use the Facebook search to find: {query}
@@ -1287,7 +1292,7 @@ async def _scrape_with_agent(force: bool = False) -> dict:
 6. Collect as many posts as you can (aim for 5-10 per search)
 
 When done, return the data as a JSON list with keys: content, author, url, date.""",
-                llm=make_ollama(num_ctx=32000, temperature=0.3),
+                llm=_make_ollama(num_ctx=32000, temperature=0.3),
                 browser=browser,
                 max_actions_per_step=3,
                 use_vision=False,
@@ -1517,11 +1522,11 @@ async def setup_check_login(body: dict):
 async def agent_run(task: str = Body(..., embed=True)):
     """Run a browser-use Agent with ChatOllama (free/local)."""
     try:
-        browser = Browser(headless=True, args=CHROME_LAUNCH_ARGS)
+        browser = _make_browser(headless=True, args=CHROME_LAUNCH_ARGS)
         await browser.start()
-        agent = Agent(
+        agent = _make_agent(
             task=task,
-            llm=make_ollama(num_ctx=32000, temperature=0.3),
+            llm=_make_ollama(num_ctx=32000, temperature=0.3),
             browser=browser,
             use_vision=False,
             max_actions_per_step=5,