v0.6.0

What's Changed

• 🛡️ Sentinel: [MEDIUM] Fix SQL construction pattern to use QueryBuilder by @ovasylenko in #34
• ⚡ Bolt: avoid string allocations in concurrency limit check by @ovasylenko in #32
• ⚡ Bolt: [Remove redundant clone in save_interceptor_output] by @ovasylenko in #36
• ⚡ Bolt: Eliminate TaskInstance cloning in claim_due hot path by @ovasylenko in #35
• ⚡ Bolt: Remove HashSet allocations from execution hot paths by @ovasylenko in #39
• feat(engine): durable artifacts, binary I/O, dry-run mode, blob handlers, signed webhooks by @ovasylenko in #40
• feat(api): artifact HTTP endpoints + LLM token-usage capture (+ CI doc fix) by @ovasylenko in #41
• fix(e2e): run artifacts suite self-managed (fixes red main E2E) by @ovasylenko in #42
• fix(e2e): reconcile self-managed suites — 17 ran nowhere in CI by @ovasylenko in #43
• fix(engine): stability + security + perf hardening (deep review) by @ovasylenko in #44
• ⚡ Bolt: Replace HashMap with zero-allocation NodeIndex in evaluator by @ovasylenko in #45
• perf(engine): auth-key cache, Cow expression engine, atomic step counter by @ovasylenko in #47
• fix(storage): repair intra-doc links broken in #47 (CI Check & Lint) by @ovasylenko in #48
• ⚡ Bolt: [performance improvement] Zero-allocation tree traversal on signal cancellation hot path by @ovasylenko in #46
• ⚡ Bolt: Remove hot-path BlockId cloning in scheduler tick by @ovasylenko in #50
• feat(usage): model pricing table and cost estimates in GET /usage by @ovasylenko in #56
• feat(cli): built-in template gallery — init --template, templates list/show by @ovasylenko in #57
• feat(llm): response_schema validation with bounded auto-repair on llm_call by @ovasylenko in #58
• feat(api): resume-from-block — re-run an instance from any step with context patch by @ovasylenko in #59
• feat(engine): budget-governed instances — token/step budgets with pause-on-breach by @ovasylenko in #60
• feat(api): MCP server mode — drive Orch8 from any MCP client by @ovasylenko in #61
• feat(llm): multimodal image content via artifacts + gen_ai.* telemetry fields by @ovasylenko in #62
• feat(dashboard): usage cost display + create-sequence template picker by @ovasylenko in #63
• feat(orch8): embeddable crate — durable execution as a Rust library by @ovasylenko in #64
• feat(engine): Clock trait — virtual time for scheduler and time-based checks by @ovasylenko in #65
• feat(api): execution timeline + fork-from — time-travel operations on snapshot state by @ovasylenko in #67
• feat(server): OTLP trace export — ORCH8_OTLP_ENDPOINT with orch8.step spans by @ovasylenko in #66
• feat(triggers): Activepieces polling triggers — poll loop, sidecar protocol, CRUD by @ovasylenko in #68
• feat(llm): streaming llm_call — provider SSE consumption with durable accumulated output by @ovasylenko in #69
• ⚡ Bolt: Zero-allocation BlockId references in batch storage fetch by @ovasylenko in #53
• feat(cli): orch8 dev — ephemeral engine with hot reload and virtual time by @ovasylenko in #70
• ⚡ Bolt: Replace HashSet allocation with binary search in scheduler by @ovasylenko in #72
• ⚡ Bolt: [Zero-Allocation HashMap lookup in scheduler] by @ovasylenko in #76
• ⚡ Bolt: Add dedup() after sort_unstable() in concurrency filter by @ovasylenko in #75
• chore: bump dependencies and clean up unused deps by @ovasylenko in #77
• fix: address security, correctness and resource issues from engine audit by @ovasylenko in #78
• ⚡ Bolt: Zero-allocation parent-child map in cancel_subtree by @ovasylenko in #79

Full Changelog: v0.5.0...v0.6.0