GitHub Copilot now requires a token-based flow to access the actual API endpoint:
- Added token request to https://api.github.com/copilot_internal/v2/token
- Parse dynamic API endpoint from token response
- Use dynamic endpoint to fetch models with fresh data
- Added required headers: Copilot-Integration-Id and User-Agent

Result: fetches ~38 models with updated context windows including newer
models like gpt-5 series with 264K-400K context windows.

Update generates copilot.json with refreshed model capabilities.

💘 Generated with Crush

Assisted-by: Kimi K2 Thinking via Crush <crush@charm.land>

Signed-off-by: Carlos Alexandro Becker <caarlos0@users.noreply.github.com>

Signed-off-by: Carlos Alexandro Becker <caarlos0@users.noreply.github.com>

Signed-off-by: Carlos Alexandro Becker <caarlos0@users.noreply.github.com>

* feat: add vercel ai gateway

Signed-off-by: Carlos Alexandro Becker <caarlos0@users.noreply.github.com>

* fix: wiring

Signed-off-by: Carlos Alexandro Becker <caarlos0@users.noreply.github.com>

* chore: gofumpt

Signed-off-by: Carlos Alexandro Becker <caarlos0@users.noreply.github.com>

* ci: add to jobs as well

Signed-off-by: Carlos Alexandro Becker <caarlos0@users.noreply.github.com>

* Update .github/workflows/update.yml

Co-authored-by: Andrey Nering <andreynering@users.noreply.github.com>

---------

Signed-off-by: Carlos Alexandro Becker <caarlos0@users.noreply.github.com>
Co-authored-by: Andrey Nering <andreynering@users.noreply.github.com>

* feat(synthetic): add pricing and Pro/Max provider

Synthetic's API doesn't include pricing, so we add manual overrides from
their pricing page. Also generates synthetic-promax.json for Pro/Max
subscribers with zero pricing.

- Set default large model to GLM 4.7
- Add priceOverrides map with per-model pricing
- Set cached rates equal to regular (they don't have separate cached rates
  afaict)
- Add DeepSeek V3.2 metadata override (tools + reasoning)
- Generate separate config for Pro/Max subscription

Assisted-by: Claude Opus 4.5 via Crush

* refactor(synthetic): parse pricing from API

Assisted-by: Claude Opus 4.5 via Crush

* refactor(synthetic): remove Pro/Max provider generation

Assisted-by: Claude Opus 4.5 via Crush <crush@charm.land>

Adds zai-glm-4.7 to the Cerebras provider model registry.