fix: document stream cleanup fallback intent

src/agents/minimax-vlm.ts

@@ -54,7 +54,10 @@ function coerceApiHost(params: {
   try {
     const url = new URL(raw);
     return url.origin;
-  } catch {}
+  } catch {
+    // Bare hosts are retried with https:// below; malformed absolute URLs fall
+    // back to provider defaults instead of sending requests to invalid endpoints.
+  }
 
   if (/^[a-z][a-z\d+.-]*:\/\//i.test(raw)) {
     return defaultHost;

src/agents/provider-http-errors.ts

@@ -81,7 +81,10 @@ export async function readResponseTextLimited(
     }
     try {
       reader.releaseLock();
-    } catch {}
+    } catch {
+      // Error-body reads are diagnostic best effort; release failures must not
+      // hide the bounded provider error text already captured.
+    }
   }
 
   return text;

src/agents/runtime/proxy.ts

@@ -409,7 +409,10 @@ export function streamProxy(
     } finally {
       try {
         reader?.releaseLock();
-      } catch {}
+      } catch {
+        // Stream handling above already pushed the terminal proxy event;
+        // cleanup failures must not replace it with a secondary release error.
+      }
       if (options.signal) {
         options.signal.removeEventListener("abort", abortHandler);
       }

src/agents/tools/web-shared.ts

@@ -287,7 +287,10 @@ export async function readResponseText(
       }
       try {
         reader.releaseLock();
-      } catch {}
+      } catch {
+        // The read/cancel path already produced the best-effort body result;
+        // lock-release failures must not replace that outcome.
+      }
     }
 
     const bytes = concatBytes(parts, bytesRead);