feat: add ali doubao native video mode

[zijiren233]

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[Copilot]

Pull request overview

This PR introduces provider-native video relay support for Alibaba DashScope and Doubao (Ark) while expanding the OpenAI-compatible video surface area (edits/extensions) and tightening async-usage/error handling across video adaptors (notably Gemini/VertexAI).

Changes:

• Add new relay modes + routes for Ali/Doubao native video task creation/status (and Doubao delete), plus OpenAI-style /v1/videos/edits and /v1/videos/extensions.
• Refactor video request validation/usage/price helpers into mode-specific controller files and extend tests accordingly.
• Improve video adaptor behavior: new error wrappers for OpenAI-video error shape, async-usage robustness (HTTP 200 “error” bodies, partial RAI filters), and updated request URL/method handling (Azure video job GETs).

Reviewed changes

Copilot reviewed 59 out of 59 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
core/router/relay.go	Adds provider-native Ali/Doubao video routes and OpenAI video edits/extensions routes.
core/relay/utils/testreq.go	Extends relay test-request builder for video jobs and videos modes.
core/relay/utils/testreq_test.go	Adds coverage for the new test-request builder cases.
core/relay/plugin/timeout/timeout.go	Applies video timeout behavior to edits/extensions modes.
core/relay/model/video.go	Updates video request models (adds edits/extensions request types; removes job size).
core/relay/model/errors.go	Wraps OpenAI-video-style errors for edits/extensions modes.
core/relay/model/doubao_video.go	Adds typed model for Doubao native video task responses.
core/relay/model/ali_video.go	Adds typed model for Ali native video task responses.
core/relay/mode/define.go	Introduces new relay modes (edits/extensions + Ali/Doubao native task modes).
core/relay/mode/define_test.go	Locks in stable numeric IDs for newly introduced modes.
core/relay/controller/video.go	Keeps shared video validation/parsing helpers after refactor split.
core/relay/controller/video_videos.go	Adds request validation/usage/price for /v1/videos* modes.
core/relay/controller/video_videos_test.go	Tests videos request parsing/validation (JSON + multipart, size/seconds rules).
core/relay/controller/video_generation_jobs.go	Adds request validation/usage/price for video generation jobs mode.
core/relay/controller/video_generation_jobs_test.go	Tests job request parsing/validation (variants/seconds/resolution constraints).
core/relay/controller/video_gemini.go	Moves Gemini-native video request validation/usage/price logic into its own file.
core/relay/controller/video_gemini_test.go	Adds tests for Gemini-native video validation/usage behaviors.
core/relay/adaptor/vertexai/adaptor.go	Improves VertexAI Gemini video async-usage failure/RAI handling and logging.
core/relay/adaptor/vertexai/adaptor_test.go	Adds tests for HTTP 200 error bodies and partial RAI filter success behavior.
core/relay/adaptor/utils.go	Expands “successful response” logic for video edits/extensions modes.
core/relay/adaptor/siliconflow/video.go	Aligns siliconflow video sizing/error handling with updated video job shape.
core/relay/adaptor/siliconflow/error.go	Adds OpenAI-video-shaped error handler for siliconflow.
core/relay/adaptor/siliconflow/error_test.go	Tests OpenAI-video error shaping for siliconflow.
core/relay/adaptor/siliconflow/adaptor_test.go	Updates tests to use width/height instead of size for job requests.
core/relay/adaptor/openai/video.go	Adds conversion/response handling entrypoints for edits/extensions.
core/relay/adaptor/openai/async_usage.go	Extends OpenAI async usage fetch to include edits/extensions modes.
core/relay/adaptor/openai/adaptor.go	Wires new modes into OpenAI adaptor routing/conversion/response paths.
core/relay/adaptor/gemini/video.go	Adds edits/extensions request parsing, stored-video hydration, and refined RAI failure logic.
core/relay/adaptor/gemini/video_test.go	Tests edits/extensions request parsing + stored-video hydration.
core/relay/adaptor/gemini/export_test.go	Exposes edits/extensions conversion for tests.
core/relay/adaptor/gemini/async_usage.go	Refines Gemini async usage completion/failure logic and adds edits/extensions support.
core/relay/adaptor/gemini/adaptor.go	Routes edits/extensions modes through store-aware converters and submit handler.
core/relay/adaptor/doubao/video.go	Adds edits/extensions conversion mapping and switches to OpenAI-video error shaping.
core/relay/adaptor/doubao/main.go	Adds dedicated Doubao native video modes and consolidates video task URL building.
core/relay/adaptor/doubao/main_test.go	Adds tests for error parsing and adjusts video generation tests to width/height.
core/relay/adaptor/doubao/image.go	Routes image errors through Doubao error handler (removes OpenAI adaptor dependency).
core/relay/adaptor/doubao/error.go	Implements Doubao OpenAI-style error parsing + OpenAI-video error shaping.
core/relay/adaptor/doubao/doubao_video.go	Implements Doubao native video request conversion and task submit/status/delete handlers.
core/relay/adaptor/doubao/doubao_video_test.go	Tests native Doubao video request conversion + passthrough/store behavior.
core/relay/adaptor/doubao/constants.go	Reclassifies Doubao Seedance models to native Doubao video mode.
core/relay/adaptor/doubao/async_usage.go	Extends Doubao async usage to support native and edits/extensions modes.
core/relay/adaptor/azure/main.go	Fixes Azure video job/content request method to GET; adds edits/extensions endpoints.
core/relay/adaptor/azure/main_test.go	Adds method assertions and coverage for Azure video job URL generation.
core/relay/adaptor/azure/async_usage.go	Extends Azure async usage to include edits/extensions modes.
core/relay/adaptor/ali/error.go	Adds OpenAI-video error shaping and normalizes Ali errors before wrapping.
core/relay/adaptor/ali/constants.go	Reclassifies Ali video models to native Ali video mode.
core/relay/adaptor/ali/async_usage.go	Extends Ali async usage for native Ali video and edits/extensions modes; enriches usage context.
core/relay/adaptor/ali/ali_video.go	Implements Ali native video request conversion and task submit/status handlers.
core/relay/adaptor/ali/ali_video_test.go	Tests Ali native video request conversion + passthrough/store behavior.
core/relay/adaptor/ali/adaptor.go	Wires Ali native modes + edits/extensions into adaptor routing and headers.
core/model/yaml_integration.go	Adds YAML model type name mappings for new video modes.
core/middleware/distributor.go	Adds provider-native video model resolution + stored-video model pinning for edits/extensions.
core/middleware/distributor_video_test.go	Adds tests for stored-video model fallback/pinning and a sqlite-backed store harness.
core/middleware/distributor_provider_video_test.go	Adds tests for provider-native mode checks and stored-task channel pinning.
core/controller/relay.go	Adds Swagger + relay handler wiring for Ali/Doubao native video APIs and video edits/extensions.
core/controller/relay-controller.go	Routes edits/extensions into videos validation/usage/price pipeline.

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