v0.4.3

Published distributions and release metadata for v0.4.3. See CHANGELOG.md for the reviewed release notes.

What's Changed

• docs: clarify framework positioning and onboarding by @codeforester in #197
• ci: define tested dependency compatibility windows by @codeforester in #198
• feat: make YAML support an optional extra by @codeforester in #199
• feat: add explicit async command adapter by @codeforester in #200
• feat: add versioned NDJSON streaming output by @codeforester in #201
• feat: formalize extension SDK compatibility by @codeforester in #202
• security: add verifiable release metadata and attestations by @codeforester in #204
• docs: publish generated public API reference by @codeforester in #203
• docs: establish permissioned adoption evidence process by @codeforester in #205
• Log interrupted invocations to primary.log by @codeforester in #207
• Classify interrupted runs as aborted in history by @codeforester in #209
• Harden history directory and append writes by @codeforester in #214
• Harden embedded secret redaction by @codeforester in #215
• Fix pre-parse JSON flag detection (#212) by @codeforester in #217
• Isolate malformed extension metadata (#213) by @codeforester in #216
• Split application implementation into focused modules (#180) by @codeforester in #218
• Fix JSON-mode retention precedence by @codeforester in #219
• security: redact complete delimiter-bearing secret values by @codeforester in #227
• bug: make pre-parse JSON detection follow Click option grammar by @codeforester in #228
• bug: serialize mixed testing.invoke calls around cwd changes by @codeforester in #229
• security: strip terminal control and bidi characters from output by @codeforester in #230
• bug: prevent CommandSchemaRegistry lookup from mutating schemas by @codeforester in #231
• bug: reject framing-breaking custom command protocol headers by @codeforester in #232
• docs: keep internal plans out of published documentation by @codeforester in #233
• docs: enforce changelog release-note quality (#235) by @codeforester in #253
• docs: align positioning and discovery metadata (#236) by @codeforester in #254
• ci: validate Click 8.3 and 8.4 compatibility (#237) by @codeforester in #255
• ci: enforce targeted coverage floors (#246) by @codeforester in #256
• feat: publish versioned JSON Schema artifacts (#240) by @codeforester in #257
• test: add cross-language contract fixtures and validators (#241) by @codeforester in #258
• docs: add framework migration guides by @codeforester in #259
• ci: automate GitHub releases from version tags by @codeforester in #260
• ci: publish compatibility dashboard by @codeforester in #261
• release: prepare base-cli 0.4.3 by @codeforester in #262

Full Changelog: v0.4.2...v0.4.3