Iteron 0.0.21

What's Changed

• fix(release): verify the Windows installer at both call sites by @fr0m-scratch in #375
• fix(cli): export lifecycle telemetry from standalone workflows by @gomnitrix in #377
• fix(cli): route config unknown-key warnings through TUI notices by @gomnitrix in #379
• perf: converge repair search and verification by @fr0m-scratch in #382
• Fix in-terminal session adoption by @gomnitrix in #386
• docs: position Iteron as a domain-specific harness substrate by @fr0m-scratch in #388
• docs: add Chinese harness checkpoint guide by @fr0m-scratch in #389
• docs: serve brand banner as PNG by @fr0m-scratch in #390
• Complete MCP client compatibility and management by @gomnitrix in #383
• [G1] add PlantCore v7 resident integration by @gomnitrix in #393
• fix: link snapshot publication on musl by @fr0m-scratch in #396
• chore: regenerate tier-2 parameter catalog by @fr0m-scratch in #397
• chore: regenerate tunables surface by @fr0m-scratch in #398

Full Changelog: v0.0.20...v0.0.21