Add supports_progress_text_metadata feature flag and extend
send_progress_text() to accept optional prompt_id param. When
prompt_id is provided and the client supports the new format,
the binary wire format includes a length-prefixed prompt_id field:
[4B event_type][4B prompt_id_len][prompt_id][4B node_id_len][node_id][text]
Legacy format preserved for clients without the flag.
Both callers (nodes_images.py, client.py) updated to pass prompt_id
from get_executing_context().
Part of COM-12671: parallel workflow execution support.
Amp-Thread-ID: https://ampcode.com/threads/T-019c79f7-f19b-70d9-b662-0687cc206282
* chore(api-nodes): applied ruff's pyupgrade(python3.10) to api-nodes client's to folder
* chore(api-nodes): add validate_video_frame_count function from LTX PR
* chore(api-nodes): replace deprecated V1 imports
* fix(api-nodes): the types returned by the "poll_op" function are now correct.
* feat(api-nodes): implement new API client for V3 nodes
* feat(api-nodes): implement new API client for V3 nodes
* feat(api-nodes): implement new API client for V3 nodes
* converted WAN nodes to use new client; polishing
* fix(auth): do not leak authentification for the absolute urls
* convert BFL API nodes to use new API client; remove deprecated BFL nodes
* converted Google Veo nodes
* fix(Veo3.1 model): take into account "generate_audio" parameter
