Once SDK 0.1.21

What's Changed

• Pin capability contract for response-preserving HTTP autoprotection by @stringsofthemind-oss in #218
• Add capability-gated HTTP JSON response consumption transformer by @stringsofthemind-oss in #219
• Bind and patch capability-gated HTTP JSON response consumption by @stringsofthemind-oss in #220
• Promote proven HTTP autoprotection coverage to 7 of 15 by @stringsofthemind-oss in #221
• Prove packed consumer path for HTTP JSON autoprotection by @stringsofthemind-oss in #222
• Pin generic HTTP BodyInit normalization contract by @stringsofthemind-oss in #224
• Pin client action contract for BodyInit HTTP writes by @stringsofthemind-oss in #226
• Pin worker reconstruction contract for BodyInit HTTP writes by @stringsofthemind-oss in #227
• Pin HTTP response replay v2 native contract by @stringsofthemind-oss in #230
• Persist exact HTTP response replay v2 receipts by @stringsofthemind-oss in #232
• Expose native HTTP Response replay v2 in the SDK by @stringsofthemind-oss in #233
• Prove capability-gated assigned native Response preservation by @stringsofthemind-oss in #234
• Prove capability-gated returned native Response preservation by @stringsofthemind-oss in #235
• Integrate native Response protect/apply planning by @stringsofthemind-oss in #236
• Promote HTTP autoprotection benchmark to 9/15 by @stringsofthemind-oss in #237
• Phase 18 slice 1 — read-only caller inventory by @stringsofthemind-oss in #239
• Phase 18 slice 2 — deterministic routing preview by @stringsofthemind-oss in #240
• Phase 18 slice 3 — explicit routing review by @stringsofthemind-oss in #241
• Phase 18 slice 4 — stale-source transactional routing apply by @stringsofthemind-oss in #243
• Phase 18 slice 5 — active routed application proof by @stringsofthemind-oss in #244
• Prepare SDK 0.1.21 release candidate by @stringsofthemind-oss in #245

Full Changelog: v0.1.20...v0.1.21