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fix(MAT-13): Add DNS fallback via web search for browse_url

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When browse_url fails with DNS resolution error (common with STT-misrecognized
domain names like "klicksports" instead of "clicksports"), automatically try a
web search to find the correct domain and retry. Applied to both text and voice bot.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Christian Gick
2026-03-01 16:41:37 +02:00
parent fb54ac2bea
commit 9d2e2ddcf7
2 changed files with 35 additions and 2 deletions
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18
voice.py
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@@ -893,6 +893,24 @@ class VoiceSession:
Returns the page text content."""
logger.info("BROWSE: %s", url)
result = await _fetch_webpage(url)
# On DNS failure, try to find the correct URL via web search
if "Name or service not known" in result or "Failed to fetch" in result:
from urllib.parse import urlparse
domain = urlparse(url).netloc or url
logger.info("BROWSE_DNS_FAIL: %s — trying web search for correct domain", domain)
search_result = await _brave_search(f"{domain} website")
if search_result and "No results" not in search_result:
# Extract first URL from search results
import re as _re
url_match = _re.search(r'https?://[^\s\)]+', search_result)
if url_match:
corrected_url = url_match.group(0).rstrip('.,;')
logger.info("BROWSE_RETRY: trying %s (from search)", corrected_url)
result = await _fetch_webpage(corrected_url)
if "Failed to fetch" not in result:
logger.info("BROWSE_OK: %d chars from %s (corrected)", len(result), corrected_url)
return f"[Note: Original URL {url} was unreachable. Found correct site at {corrected_url}]\n\n{result}"
return f"Could not reach {url} and web search did not find an alternative. The domain name may be misspelled — ask the user to clarify."
logger.info("BROWSE_OK: %d chars from %s", len(result), url)
return result