chore(release): v3.17.0 — Phase 6c stream-json default + opus 4.8 + opt-in TUI-mode (#105)

- Phase 6c: default claude spawn → stream-json + --system-prompt (~64% cost cut)
- opus 4.8 model
- opt-in CLAUDE_TUI_MODE interactive subscription-pool bridge (single-user)

Co-authored-by: dtzp555 <dtzp555@gmail.com>
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

CHANGELOG.md

@@ -2,6 +2,16 @@
 
 ## Unreleased
 
+## v3.17.0 — 2026-05-31
+
+### Provider — default claude invocation ported to stream-json + `--system-prompt` (Phase 6c)
+
+OCP's default (non-TUI) claude spawn moves from `claude -p --output-format text` to `claude --output-format stream-json --verbose --no-session-persistence --system-prompt <wrapper>` (no `-p`). The NDJSON event stream is parsed into the assembled response. Benefits: ~64% per-request cost reduction and anti-hallucination via `--system-prompt` tool-use suppression. Clients see no API change — the OpenAI-compatible request/response shapes are identical. Faithful port of OLP's production-verified implementation; covered by 17 new stream-json parser tests.
+
+⚠️ **Billing note:** from 2026-06-15 this default path carries `cc_entrypoint=sdk-cli` and bills against the Agent SDK credit pool. Use the new opt-in `CLAUDE_TUI_MODE` (below) to keep traffic on the Pro/Max subscription pool.
+
+---
+
 ### feat(tui): opt-in CLAUDE_TUI_MODE — serve via interactive claude (cc_entrypoint=cli / subscription pool), single-user only; default stream-json path unchanged
 
 From 2026-06-15 Anthropic routes `claude -p` / `--output-format` invocations to the Agent SDK credit pool (`cc_entrypoint=sdk-cli`). This feature adds an opt-in bridge: when `CLAUDE_TUI_MODE=true`, OCP serves each request via a real interactive `claude` session (no `-p`, no `--output-format`) so it carries `cc_entrypoint=cli` and bills against the Pro/Max subscription.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "open-claude-proxy",
-  "version": "3.16.4",
+  "version": "3.17.0",
   "description": "OCP (Open Claude Proxy) — use your Claude Pro/Max subscription as an OpenAI-compatible API for any IDE. Works with Cline, OpenCode, Aider, Continue.dev, OpenClaw, and more.",
   "type": "module",
   "bin": {