chore(main): release 7.5.0#743
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The .fern/metadata.json sdkVersion drifted one release behind (7.4.1 vs the 7.5.0 stamped in pyproject.toml, client_wrapper.py user-agent, and X-Fern-SDK-Version) because release-please never bumped it. JS and Java already list .fern/metadata.json ($.sdkVersion) in their extra-files; add the matching entry here and correct the current stale value.
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## Flux TTS in `dg speak` (Speak v2, WebSocket streaming) Adds Flux TTS to the `speak` command, websocket-first per the Flux TTS CLI ticket. ### What's in it - **`flux-*` models → Speak v2 WebSocket streaming** (`speak.v2.connect`); `aura-*` stay on Speak v1 batch REST. Raw `linear16` output is wrapped in **WAV** so it's directly playable. New `client.speak_text_stream()` helper + an `--encoding` guard (Flux streaming is `linear16`/`mulaw`/`alaw` only). - **Bug fixes (surfaced by non-prod base URLs):** - `_create_client` environment now derives `https` (REST) + `wss` (WebSocket) from the host and includes `agent_rest` — the old builder crashed on any custom base URL. - `verify_api_key` validates against the configured base URL instead of hardcoded production, so staging/non-prod keys pass the auth guard. - **New global options:** `--base-url` and `--api-key` (the explicit-credential path already existed; nothing fed it). - **Docs:** Flux (v1 vs v2) documented in `speak --help`/examples/agent_help, the `skills` Developer Guide (also migrated off the removed pre-Fern `SpeakOptions` API), and the README. ### Verification - `pytest`: **967 passing** (incl. new Flux speak tests). - `ruff` clean on changed files. - Live-tested against **staging**: `dg speak -m flux-alexis-en` → valid WAV; plus `aura` speak, `listen`, `read`, `models`, and manage commands. ##⚠️ Restrictions — do NOT merge/release yet 1. **Depends on an unreleased SDK.** This pins `deepgram-sdk>=7.5.0`, which is **not yet published** — it's the pending Python SDK release-please PR **deepgram/deepgram-python-sdk#743** (`chore(main): release 7.5.0`), which contains the Speak v2 streaming client this uses. **This PR must not merge/release until `deepgram-sdk` 7.5.0 is live on PyPI.** 2. **`uv sync` will fail until 7.5.0 ships** (can't resolve `>=7.5.0`). The lockfile needs regenerating once 7.5.0 is published. Local testing so far used an editable install of the SDK checkout (not part of this PR). 3. **EA scope — WebSocket only for Flux.** No Flux REST/batch in the CLI (per the ticket). 4. **No Flux voice listing.** `dg models` does not list Flux voices — the models service doesn't expose them yet (GA/API-side), so it's intentionally omitted.
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Release PR for 7.5.0 — compare v7.4.0...v7.5.0
What's in 7.5.0
#742 — Flux TTS streaming (Speak V2) + agent listen reconfigure
client.speak.v2.connect(...): newspeak/v2/package (client, socket client, request/response types), top-levelSpeakV2Encoding/SpeakV2MipOptOut/SpeakV2Model/SpeakV2SampleRate/SpeakV2Tag, and optionalsend_flush()/send_close()control messages.send_update_listen(...)withAgentV1UpdateListen/AgentV1UpdateListenListen, plus theAgentV1ListenUpdatedserver acknowledgement.eot_threshold,eager_eot_threshold,eot_timeout_ms.#744 — Flux TTS batch (REST) + agent latency report
client.speak.v2.audio.generate(...)(+ raw client): the REST companion to streaming.modelrequired (flux-only); optionalencoding/container/sample_rate/bit_rate/callback/callback_method/tag/mip_opt_out/priority. Nospeed(GA-only, excluded for EA).sample_rate/bit_rateare typed asint— a float like24000.0is rejected on the wire.SpeakV2AcceptedResponseJSON ack through the audio byte iterator as raw bytes; join the chunks and parserequest_idyourself (documented in the docstring; typed content-type dispatch tracked as a follow-up).AgentV1LatencyReport— new latency-report type + request, wired into the agent socket-client response union.interrupt— new value onAgentV1InjectAgentMessageBehavior.This PR was generated with Release Please.