feat: add client column to aibridge_interceptions table (#21839)

Adds `client` column to `aibridge_interceptions` table. It is set accordingly to what is passed from AI Bridge in `RecordInterception`.
Adds interception filtering by `client` value.

Depends on: https://github.com/coder/aibridge/pull/158
Updates aibridge library to include this change.

Fixes: https://github.com/coder/aibridge/issues/31

docs/ai-coder/ai-bridge/monitoring.md

@@ -25,6 +25,25 @@ curl -X GET "https://coder.example.com/api/v2/aibridge/interceptions?q=initiator
 
 Available query filters:
 
+- `client` - Filter by client name.
+  <details>
+  <summary>Possible <code>client</code> values</summary>
+
+  > [!NOTE]
+  > Client classification is done on best effort basis using the `User-Agent` header;
+  not all clients send these headers in an easily-identifiable manner.
+
+  - `Claude Code`
+  - `Codex`
+  - `Zed`
+  - `GitHub Copilot (VS Code)`
+  - `GitHub Copilot (CLI)`
+  - `Kilo Code`
+  - `Roo Code`
+  - `Cursor`
+  - `Unknown`
+
+  </details><br>
 - `initiator` - Filter by user ID or username
 - `provider` - Filter by AI provider (e.g., `openai`, `anthropic`)
 - `model` - Filter by model name

docs/reference/api/aibridge.md

@@ -32,6 +32,7 @@ curl -X GET http://coder-server:8080/api/v2/aibridge/interceptions \
   "results": [
     {
       "api_key_id": "string",
+      "client": "string",
       "ended_at": "2019-08-24T14:15:22Z",
       "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
       "initiator": {

docs/reference/api/schemas.md

@@ -435,6 +435,7 @@
 ```json
 {
   "api_key_id": "string",
+  "client": "string",
   "ended_at": "2019-08-24T14:15:22Z",
   "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
   "initiator": {
@@ -502,6 +503,7 @@
 | Name               | Type                                                                | Required | Restrictions | Description |
 |--------------------|---------------------------------------------------------------------|----------|--------------|-------------|
 | `api_key_id`       | string                                                              | false    |              |             |
+| `client`           | string                                                              | false    |              |             |
 | `ended_at`         | string                                                              | false    |              |             |
 | `id`               | string                                                              | false    |              |             |
 | `initiator`        | [codersdk.MinimalUser](#codersdkminimaluser)                        | false    |              |             |
@@ -522,6 +524,7 @@
   "results": [
     {
       "api_key_id": "string",
+      "client": "string",
       "ended_at": "2019-08-24T14:15:22Z",
       "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
       "initiator": {

docs/reference/cli/aibridge_interceptions_list.md

@@ -51,6 +51,14 @@ Only return interceptions from this provider.
 
 Only return interceptions from this model.
 
+### --client
+
+|      |                     |
+|------|---------------------|
+| Type | <code>string</code> |
+
+Only return interceptions from this client.
+
 ### --after-id
 
 |      |                     |