fix(errors): narrow proxy transport detection

src/agents/pi-embedded-helpers.formatassistanterrortext.test.ts

@@ -265,6 +265,18 @@ describe("formatAssistantErrorText", () => {
     );
   });
 
+  it("keeps non-transport config errors that mention proxy settings actionable", () => {
+    const msg = makeAssistantError(
+      'Model-provider request.proxy/request.tls is not yet supported for api "ollama"',
+    );
+    expect(formatAssistantErrorText(msg)).toContain(
+      'Model-provider request.proxy/request.tls is not yet supported for api "ollama"',
+    );
+    expect(formatAssistantErrorText(msg)).not.toBe(
+      "LLM request failed: proxy or tunnel configuration blocked the provider request.",
+    );
+  });
+
   it("sanitizes invalid streaming event order errors", () => {
     const msg = makeAssistantError(
       'Unexpected event order, got message_start before receiving "message_stop"',

src/agents/pi-embedded-helpers.isbillingerrormessage.test.ts

@@ -1166,4 +1166,12 @@ describe("classifyProviderRuntimeFailureKind", () => {
       "replay_invalid",
     );
   });
+
+  it("does not classify generic config errors that mention proxy settings as proxy failures", () => {
+    expect(
+      classifyProviderRuntimeFailureKind(
+        'Model-provider request.proxy/request.tls is not yet supported for api "ollama"',
+      ),
+    ).not.toBe("proxy");
+  });
 });

src/agents/pi-embedded-helpers/errors.ts

@@ -470,7 +470,7 @@ const AUTH_SCOPE_NAME_RE = /\b(?:api\.responses\.write|model\.request)\b/i;
 const HTML_BODY_RE = /^\s*(?:<!doctype\s+html\b|<html\b)/i;
 const HTML_CLOSE_RE = /<\/html>/i;
 const PROXY_ERROR_RE =
-  /\bproxy\b|\bproxyconnect\b|\bhttps?_proxy\b|\b407\b|\bproxy authentication required\b|\btunnel connection failed\b|\bconnect tunnel\b|\bsocks proxy\b/i;
+  /\bproxyconnect\b|\bhttps?_proxy\b|\b407\b|\bproxy authentication required\b|\btunnel connection failed\b|\bconnect tunnel\b|\bsocks proxy\b|\bproxy error\b/i;
 const DNS_ERROR_RE = /\benotfound\b|\beai_again\b|\bgetaddrinfo\b|\bno such host\b|\bdns\b/i;
 const INTERRUPTED_NETWORK_ERROR_RE =
   /\beconnrefused\b|\beconnreset\b|\beconnaborted\b|\benetreset\b|\behostunreach\b|\behostdown\b|\benetunreach\b|\bepipe\b|\bsocket hang up\b|\bconnection refused\b|\bconnection reset\b|\bconnection aborted\b|\bnetwork is unreachable\b|\bhost is unreachable\b|\bfetch failed\b|\bconnection error\b|\bnetwork request failed\b/i;