Switch from axios to fetch

[Gawor270]

Description

Describe your changes.

Motivation and Context

Why is this change required? What problem does it solve? If it fixes an open
issue, please link to the issue here.

Documentation impact

• Documentation update required
• Documentation updated in another PR
• No documentation update required

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to
  not work as expected)

[linear]

FCE-3523

[Copilot]

Pull request overview

This PR migrates the Fishjam JS/TS server SDK and its generated OpenAPI client from an axios-based transport to a fetch-based transport, updating client wiring, error mapping, and codegen automation accordingly.

Changes:

• Regenerated @fishjam-cloud/fishjam-openapi using typescript-fetch (new runtime/apis/models layout) and removed the axios dependency.
• Updated FishjamClient to use the fetch-based OpenAPI Configuration + middleware and adjusted request/response handling to the new generated API shapes.
• Refactored exception mapping to handle ResponseError/FetchError and added/updated Vitest coverage for the new behavior.

Reviewed changes

Copilot reviewed 10 out of 75 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
yarn.lock	Removes axios from workspace dependency graph entries.
release-automation/bump-version.sh	Switches OpenAPI generation step to call openapi.sh with a downloaded spec file.
packages/js-server-sdk/package.json	Drops axios dependency and declares Node >=18 engine requirement.
packages/js-server-sdk/src/client.ts	Migrates SDK client from axios instance wiring to fetch-based OpenAPI Configuration + middleware.
packages/js-server-sdk/src/exceptions/index.ts	Replaces axios-error-based exception construction with a transport-agnostic FishjamExceptionInfo.
packages/js-server-sdk/src/exceptions/mapper.ts	Updates error mapping to support fetch-generated ResponseError/FetchError types.
packages/js-server-sdk/tests/config-validation.test.ts	Updates mocks to use ResponseError and fetch-style return values.
packages/js-server-sdk/tests/exceptions.test.ts	Adds test coverage for new fetch-based exception mapping behavior.
packages/fishjam-openapi/package.json	Removes axios dependency from the OpenAPI workspace package.
packages/fishjam-openapi/openapitools.json	Updates OpenAPI Generator CLI version to 7.14.0.
packages/fishjam-openapi/openapi.sh	Switches generator from typescript-axios to typescript-fetch and supports local spec paths.
packages/fishjam-openapi/src/generated/.openapi-generator/VERSION	Updates recorded generator version.
packages/fishjam-openapi/src/generated/.openapi-generator/FILES	Updates generated file manifest for the new fetch client layout.
packages/fishjam-openapi/src/generated/index.ts	Changes public exports to re-export fetch runtime, apis, and models.
packages/fishjam-openapi/src/generated/runtime.ts	Adds fetch-based runtime (middleware, ResponseError/FetchError, request plumbing).
packages/fishjam-openapi/src/generated/apis/CredentialsApi.ts	New fetch-based generated API.
packages/fishjam-openapi/src/generated/apis/MoQApi.ts	New fetch-based generated API.
packages/fishjam-openapi/src/generated/apis/RoomsApi.ts	New fetch-based generated API.
packages/fishjam-openapi/src/generated/apis/StreamersApi.ts	New fetch-based generated API.
packages/fishjam-openapi/src/generated/apis/StreamsApi.ts	New fetch-based generated API.
packages/fishjam-openapi/src/generated/apis/TrackForwardingsApi.ts	New fetch-based generated API.
packages/fishjam-openapi/src/generated/apis/ViewersApi.ts	New fetch-based generated API.
packages/fishjam-openapi/src/generated/apis/index.ts	Barrel export for generated APIs.
packages/fishjam-openapi/src/generated/models/AgentOutput.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/AudioFormat.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/AudioSampleRate.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/CompositionInfo.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/ModelError.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/MoqAccess.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/MoqAccessConfig.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/Peer.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/PeerConfig.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/PeerDetailsResponse.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/PeerDetailsResponseData.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/PeerOptions.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/PeerOptionsAgent.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/PeerOptionsVapi.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/PeerOptionsWebRTC.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/PeerRefreshTokenResponse.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/PeerRefreshTokenResponseData.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/PeerStatus.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/PeerType.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/Room.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/RoomConfig.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/RoomCreateDetailsResponse.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/RoomCreateDetailsResponseData.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/RoomDetailsResponse.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/RoomType.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/RoomsListingResponse.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/Stream.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/StreamConfig.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/StreamDetailsResponse.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/Streamer.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/StreamerDetailsResponse.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/StreamerToken.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/StreamsListingResponse.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/SubscribeMode.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/SubscribeTracksRequest.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/Subscriptions.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/Track.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/TrackForwarding.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/TrackForwardingInfo.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/TrackType.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/VideoCodec.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/Viewer.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/ViewerDetailsResponse.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/ViewerToken.ts	New/updated generated model types.
packages/fishjam-openapi/src/generated/models/index.ts	Barrel export for generated models.
packages/fishjam-openapi/src/generated/base.ts	Removes legacy axios-based generator runtime file.
packages/fishjam-openapi/src/generated/common.ts	Removes legacy axios-based generator runtime file.
packages/fishjam-openapi/src/generated/configuration.ts	Removes legacy axios-based generator configuration file.
packages/fishjam-openapi/src/generated/git_push.sh	Removes unused generator helper script.
packages/fishjam-openapi/src/generated/.gitignore	Removes legacy generated .gitignore.
packages/fishjam-openapi/src/generated/.npmignore	Removes legacy generated .npmignore.

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