Document exact baseURL validation error messages

Co-authored-by: Eric Allam <eric@trigger.dev>

Author: cursoragent

docs/tasks/streams.mdx

@@ -670,6 +670,14 @@ Examples:
 - ❌ `ftp://api.trigger.dev`
 - ❌ `ws://api.trigger.dev` / `wss://api.trigger.dev`
 
+Validation errors use these exact messages:
+
+- `baseURL must not be empty`
+- `baseURL must be a valid absolute URL`
+- `baseURL must use http or https protocol`
+- `baseURL must not include query parameters or hash fragments`
+- `baseURL must not include username or password credentials`
+
 For richer TypeScript ergonomics in app code, `@trigger.dev/ai` also exports:
 
 - `TriggerChatHeadersInput`

packages/ai/README.md

@@ -177,6 +177,14 @@ Examples:
 - ❌ `ftp://api.trigger.dev` (non-http protocol)
 - ❌ `ws://api.trigger.dev` / `wss://api.trigger.dev` (websocket protocols are rejected)
 
+Validation errors use these exact messages:
+
+- `baseURL must not be empty`
+- `baseURL must be a valid absolute URL`
+- `baseURL must use http or https protocol`
+- `baseURL must not include query parameters or hash fragments`
+- `baseURL must not include username or password credentials`
+
 ## `ai.tool(...)` example
 
 ```ts