fix(openwebui): guarantee answer after tool budget

platform/openwebui/install-models.sh

@@ -213,7 +213,13 @@ params = {
         "For GitHub repository implementation details, README files, source trees, "
         "API routes, or code search, use the dedicated official GitHub repository "
         "tool instead of guessing from ordinary web results. Use general web search "
-        "for wider public discussion and non-repository sources. "
+        "for wider public discussion and non-repository sources. For one named repository, "
+        "do not enumerate files recursively. Read the root README or one root listing once, "
+        "then use one to three targeted code searches for terms such as route, API, CLI, "
+        "endpoint, command or the relevant framework, and open only the few matching files "
+        "needed for evidence. If a live deployment is also mentioned, inspect that service "
+        "once with its domain tool. Normally finish within six GitHub calls and always "
+        "synthesize an answer from the evidence already obtained. "
         "If a specialist tool returns an authentication, authorization, connection, "
         "or configuration error, do not repeat the same call. Report the error. For "
         "public information you may make at most one focused fallback attempt with "