Progress docs: target-app parity, gaps, alpha gate, readiness by audience (#617)

Progress docs per craftrules standards/progress-docs.md: target-app parity, gaps, roadmap with alpha gate, readiness by audience (full / mainstream / essentials) with Opus 5.5 hours, and feature, format, hardware, UI and localization parity docs.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

crates/engine/src/commands/query.rs

@@ -185,13 +185,13 @@ fn capabilities(s: &mut Session, _: &Value) -> Result<Value> {
         "parity": {
             "target": "Adobe After Effects 2026",
             "summary": PARITY,
-            "doc": "docs/parity.md",
+            "doc": "docs/target-app-parity.md",
         },
     }))
 }
 
-/// The headline of `docs/parity.md` (kept in sync by hand at each audit).
-const PARITY: &str = "≈94% weighted feature parity (80 done / 12 partial / 0 missing of 92 features); 298 of 298 After Effects 2026 effects present";
+/// The headline of `docs/target-app-parity.md` (kept in sync by hand at each re-measure).
+const PARITY: &str = "≈91% feature breadth and ≈45% ready for real work (estimated parity with After Effects 2026 26.5, stage alpha); all After Effects effects present (306 registered)";
 
 fn state(s: &mut Session, _: &Value) -> Result<Value> {
     Ok(serde_json::to_value(&s.state).unwrap_or_default())

crates/engine/src/commands/vpe.rs

@@ -1,7 +1,7 @@
 //! File ▸ Import ▸ Vanishing Point (.vpe): present in the menu like After Effects', but always
 //! disabled. The `.vpe` exchange format Photoshop's Vanishing Point filter writes has no public
 //! specification, and EffectCraft implements formats only from published specs (clean room), so
-//! the entry explains that instead of importing. See docs/parity.md.
+//! the entry explains that instead of importing. See docs/file-format-parity.md.
 
 use serde_json::Value;