coder/coderd/database/migrations/testdata/fixtures/000441_chat_usage_limits.up.sql at 00a6dc56a7b189d97d43c01ca8d94e8d5502b76a - coder - Gitea: Git with a cup of tea

shishantbiswas/coder

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Michael Suchacz 1031da9738 feat: add agent chat spend limiting (backend) (#23071 )

Introduces deployment-scoped spend limiting for Coder Agents, enabling
administrators to control LLM costs at global, group, and individual
user levels.

## Changes

- **Database migration (000437)**: `chat_usage_limit_config`
(singleton), `chat_usage_limit_overrides` (per-user),
`chat_usage_limit_group_overrides` (per-group)
- **Single-query limit resolution**: individual override > min(group) >
global default via `ResolveUserChatSpendLimit`
- **Fail-open enforcement** in chatd with documented TOCTOU trade-off
- **Experimental API** under `/api/experimental/chats/usage-limits` for
CRUD on limits
- **`AsChatd` RBAC subject** for narrowly-scoped daemon access (replaces
`AsSystemRestricted`)
- **Generated TypeScript types** for the frontend SDK

## Hierarchy

1. Individual user override (highest)
2. Minimum of group limits
3. Global default
4. Disabled / unlimited

Currency stored as micro-dollars (`1,000,000` = $1.00).

Frontend PR: #23072

2026-03-17 01:24:03 +01:00

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SQL

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 UPDATE users SET chat_spend_limit_micros = 5000000
 WHERE id = 'fc1511ef-4fcf-4a3b-98a1-8df64160e35a';
 UPDATE groups SET chat_spend_limit_micros = 10000000
 WHERE id = 'bb640d07-ca8a-4869-b6bc-ae61ebb2fda1';