v0.2.0-alpha

What's Changed

• feat(core): spatial analysis primitives for S² — all 7 research areas by @bkahan in #13
• chore: add per-crate READMEs and fix CI publish issues by @bkahan in #12
• feat(embed): AI Knowledge Navigator — semantic spatial queries by @bkahan in #14
• feat(examples): spatial analysis harness — all 7 research areas by @bkahan in #15
• feat: testing, benchmarks, numerical bugfix, Python bindings by @bkahan in #16
• feat(core): add spatial analysis primitives for S² by @bkahan in #17
• feat: AI Knowledge Navigator with full category layer demo by @bkahan in #18
• feat: extract sphereql-corpus crate and add spatial_analysis example by @bkahan in #19
• feat: spatial quality system — metalearning + bindings + audit remediation by @bkahan in #21
• release: v0.2.0-alpha — full binding parity, GraphQL category layer, typed WASM, stubs + drift CI by @bkahan in #22

Full Changelog: v0.1.0-alpha-2...v0.2.0-alpha