v1.0.0

First stable release. The 1.x LTS contract takes effect from
this tag forward — every 1.0 .ax program, workflow.json,
evidence bundle, MCP integration, and CLI invocation is committed
to keep working on every 1.y release per docs/lts.md
§B.

Same surface as 1.0.0-rc3. No code changes between rc3 and
this GA cut; this tag exists to crystallize the 1.0 LTS commitment
and ship final-named binaries.

The four formal versioned specifications frozen at 1.0:

• docs/spec/ax-language-1.0.md — LANGUAGE_VERSION = "1.0"
• docs/spec/bytecode-1.0.md — BYTECODE_VERSION = "1.0"
• docs/spec/workflow-dag-1.0.md — WORKFLOW_DAG_SCHEMA_VERSION = 1
• docs/spec/evidence-bundle-1.0.md — BUNDLE_FORMAT_VERSION = "1.0"

For the full feature scope shipped between v0.5.0 and v1.0.0,
see the [1.0.0-rc1], [1.0.0-rc2], and [1.0.0-rc3] sections
below.

Decided

• 1.x LTS contract is now in force. docs/lts.md
  §B surfaces are stable through 2027-11 (active) / 2028-05 (security).
  Surfaces classified Experimental in docs/stability.md
  remain Experimental within 1.x; pin to a specific Boruna release
  tag if your integration depends on those.