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feat: add PR insights analytics dashboard (#23215)

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## What

Adds a new admin-only **PR Insights** page for the `/agents` analytics
view — a dashboard for engineering leaders to understand code shipped by
AI agents.

### Backend
- `GET /api/v2/chats/insights/pull-requests` — admin-only endpoint
- 4 SQL queries in `chatinsights.sql` aggregating `chat_diff_statuses`
joined with chat cost data (via root chat tree rollup)
- Runs 5 parallel DB queries: current summary, previous summary (for
trends), time series, per-model breakdown, recent PRs
- SDK types auto-generate to TypeScript

### Frontend (`PRInsightsView`)
- **Stat cards**: PRs created, Merged, Merge rate, Lines shipped,
Cost/merged PR — with trend badges comparing to previous period
- **Activity chart**: Stacked area chart (created/merged/closed) using
git color tokens (`git-added-bright`, `git-merged-bright`,
`git-deleted-bright`)
- **Model performance table**: Per-model PR counts, inline merge rate
bars, diff stats, cost breakdown
- **Recent PRs table**: Status badges, review state icons, author info,
external links
- **Time range filter**: 7d/14d/30d/90d button group
- **4 Storybook stories**: Default, HighPerformance, LowVolume, NoPRs

### Data source
All PR data comes from the existing `chat_diff_statuses` table
(populated by the `gitsync.Worker` background job that polls GitHub
every 120s). No new data collection required.

### Screenshot
View in Storybook: `pages/AgentsPage/PRInsightsView`
This commit is contained in:
Kyle Carberry
2026-03-18 15:29:29 +00:00
committed by GitHub
parent 4dd8531f37
commit d6fef96d72
24 changed files with 2774 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files
docs/reference/api/chats.md
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@@ -1,45 +1 @@
# Chats
## Archive a chat
### Code samples
```shell
# Example request using curl
curl -X POST http://coder-server:8080/api/v2/chats/{chat}/archive
```
`POST /chats/{chat}/archive`
### Responses
| Status | Meaning | Description | Schema |
|--------|-----------------------------------------------------------------|-------------|--------|
| 204 | [No Content](https://tools.ietf.org/html/rfc7231#section-6.3.5) | No Content | |
## Watch chat desktop
### Code samples
```shell
# Example request using curl
curl -X GET http://coder-server:8080/api/v2/chats/{chat}/desktop \
-H 'Coder-Session-Token: API_KEY'
```
`GET /chats/{chat}/desktop`
### Parameters
| Name | In | Type | Required | Description |
|--------|------|--------------|----------|-------------|
| `chat` | path | string(uuid) | true | Chat ID |
### Responses
| Status | Meaning | Description | Schema |
|--------|--------------------------------------------------------------------------|---------------------|--------|
| 101 | [Switching Protocols](https://tools.ietf.org/html/rfc7231#section-6.2.2) | Switching Protocols | |
To perform this operation, you must be authenticated. [Learn more](authentication.md).
docs/reference/api/schemas.md
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@@ -6014,6 +6014,219 @@ Only certain features set these fields: - FeatureManagedAgentLimit|
| » `[any property]` | array of string | false | | |
| `organization_assign_default` | boolean | false | | Organization assign default will ensure the default org is always included for every user, regardless of their claims. This preserves legacy behavior. |
## codersdk.PRInsightsModelBreakdown
```json
{
"cost_per_merged_pr_micros": 0,
"display_name": "string",
"merge_rate": 0,
"merged_prs": 0,
"model_config_id": "f5fb4d91-62ca-4377-9ee6-5d43ba00d205",
"provider": "string",
"total_additions": 0,
"total_cost_micros": 0,
"total_deletions": 0,
"total_prs": 0
}
```
### Properties
| Name | Type | Required | Restrictions | Description |
|-----------------------------|---------|----------|--------------|-------------|
| `cost_per_merged_pr_micros` | integer | false | | |
| `display_name` | string | false | | |
| `merge_rate` | number | false | | |
| `merged_prs` | integer | false | | |
| `model_config_id` | string | false | | |
| `provider` | string | false | | |
| `total_additions` | integer | false | | |
| `total_cost_micros` | integer | false | | |
| `total_deletions` | integer | false | | |
| `total_prs` | integer | false | | |
## codersdk.PRInsightsPullRequest
```json
{
"additions": 0,
"approved": true,
"author_avatar_url": "string",
"author_login": "string",
"base_branch": "string",
"changed_files": 0,
"changes_requested": true,
"chat_id": "efc9fe20-a1e5-4a8c-9c48-f1b30c1e4f86",
"commits": 0,
"cost_micros": 0,
"created_at": "2019-08-24T14:15:22Z",
"deletions": 0,
"draft": true,
"model_display_name": "string",
"pr_number": 0,
"pr_title": "string",
"pr_url": "string",
"reviewer_count": 0,
"state": "string"
}
```
### Properties
| Name | Type | Required | Restrictions | Description |
|----------------------|---------|----------|--------------|-------------|
| `additions` | integer | false | | |
| `approved` | boolean | false | | |
| `author_avatar_url` | string | false | | |
| `author_login` | string | false | | |
| `base_branch` | string | false | | |
| `changed_files` | integer | false | | |
| `changes_requested` | boolean | false | | |
| `chat_id` | string | false | | |
| `commits` | integer | false | | |
| `cost_micros` | integer | false | | |
| `created_at` | string | false | | |
| `deletions` | integer | false | | |
| `draft` | boolean | false | | |
| `model_display_name` | string | false | | |
| `pr_number` | integer | false | | |
| `pr_title` | string | false | | |
| `pr_url` | string | false | | |
| `reviewer_count` | integer | false | | |
| `state` | string | false | | |
## codersdk.PRInsightsResponse
```json
{
"by_model": [
{
"cost_per_merged_pr_micros": 0,
"display_name": "string",
"merge_rate": 0,
"merged_prs": 0,
"model_config_id": "f5fb4d91-62ca-4377-9ee6-5d43ba00d205",
"provider": "string",
"total_additions": 0,
"total_cost_micros": 0,
"total_deletions": 0,
"total_prs": 0
}
],
"recent_prs": [
{
"additions": 0,
"approved": true,
"author_avatar_url": "string",
"author_login": "string",
"base_branch": "string",
"changed_files": 0,
"changes_requested": true,
"chat_id": "efc9fe20-a1e5-4a8c-9c48-f1b30c1e4f86",
"commits": 0,
"cost_micros": 0,
"created_at": "2019-08-24T14:15:22Z",
"deletions": 0,
"draft": true,
"model_display_name": "string",
"pr_number": 0,
"pr_title": "string",
"pr_url": "string",
"reviewer_count": 0,
"state": "string"
}
],
"summary": {
"approval_rate": 0,
"cost_per_merged_pr_micros": 0,
"merge_rate": 0,
"prev_cost_per_merged_pr_micros": 0,
"prev_merge_rate": 0,
"prev_total_prs_created": 0,
"prev_total_prs_merged": 0,
"total_additions": 0,
"total_cost_micros": 0,
"total_deletions": 0,
"total_prs_created": 0,
"total_prs_merged": 0
},
"time_series": [
{
"date": "2019-08-24T14:15:22Z",
"prs_closed": 0,
"prs_created": 0,
"prs_merged": 0
}
]
}
```
### Properties
| Name | Type | Required | Restrictions | Description |
|---------------|-----------------------------------------------------------------------------------|----------|--------------|-------------|
| `by_model` | array of [codersdk.PRInsightsModelBreakdown](#codersdkprinsightsmodelbreakdown) | false | | |
| `recent_prs` | array of [codersdk.PRInsightsPullRequest](#codersdkprinsightspullrequest) | false | | |
| `summary` | [codersdk.PRInsightsSummary](#codersdkprinsightssummary) | false | | |
| `time_series` | array of [codersdk.PRInsightsTimeSeriesEntry](#codersdkprinsightstimeseriesentry) | false | | |
## codersdk.PRInsightsSummary
```json
{
"approval_rate": 0,
"cost_per_merged_pr_micros": 0,
"merge_rate": 0,
"prev_cost_per_merged_pr_micros": 0,
"prev_merge_rate": 0,
"prev_total_prs_created": 0,
"prev_total_prs_merged": 0,
"total_additions": 0,
"total_cost_micros": 0,
"total_deletions": 0,
"total_prs_created": 0,
"total_prs_merged": 0
}
```
### Properties
| Name | Type | Required | Restrictions | Description |
|----------------------------------|---------|----------|--------------|-------------|
| `approval_rate` | number | false | | |
| `cost_per_merged_pr_micros` | integer | false | | |
| `merge_rate` | number | false | | |
| `prev_cost_per_merged_pr_micros` | integer | false | | |
| `prev_merge_rate` | number | false | | |
| `prev_total_prs_created` | integer | false | | |
| `prev_total_prs_merged` | integer | false | | |
| `total_additions` | integer | false | | |
| `total_cost_micros` | integer | false | | |
| `total_deletions` | integer | false | | |
| `total_prs_created` | integer | false | | |
| `total_prs_merged` | integer | false | | |
## codersdk.PRInsightsTimeSeriesEntry
```json
{
"date": "2019-08-24T14:15:22Z",
"prs_closed": 0,
"prs_created": 0,
"prs_merged": 0
}
```
### Properties
| Name | Type | Required | Restrictions | Description |
|---------------|---------|----------|--------------|-------------|
| `date` | string | false | | |
| `prs_closed` | integer | false | | |
| `prs_created` | integer | false | | |
| `prs_merged` | integer | false | | |
## codersdk.PaginatedMembersResponse
```json