Five v0.9 — Harbour + Go fusion language

- Compiler: PP → Lexer → Parser → Analyzer → Gengo pipeline
- Parser: 232/236 (98%) Harbour compatibility, registry-based dispatch
- RTL: 351 Harbour-compatible functions
- RDD: DBF/NTX/CDX engines with Rushmore bitmap optimization
- Go Interop: IMPORT + pkg.Func() + obj:Method() with FastPath (15M calls/sec)
- HB_FUNC API: Full Harbour C API compatible Go bridge
- Concurrency: SPAWN/LAUNCH/GOROUTINE, <-, WATCH, PARALLEL FOR, ASYNC/AWAIT
- Extensions: Multi-return, DEFER, Slice, f-string, Nil-safe ?:, CONST
- Macro Compiler: Runtime AST parsing and evaluation
- Debugger: TUI debugger with source display, breakpoints, stepping
- FRB: Native + Pcode dual mode runtime binary
- Tests: 13 packages ALL PASS

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

examples/test_frb_pcode.prg

@@ -0,0 +1,22 @@
+// Test pcode FRB — loads pcode module (no Go compiler needed)
+FUNCTION Main()
+   LOCAL pMod
+
+   ? "=== FRB Pcode Mode Test ==="
+   ? ""
+
+   pMod := FrbLoad("mylib_pc.frb")
+   IF pMod = NIL
+      ? "ERROR: Cannot load mylib_pc.frb"
+      RETURN NIL
+   ENDIF
+
+   ? "Hello:", FrbDo(pMod, "HELLO", "World")
+   ? "Add:", FrbDo(pMod, "ADD", 100, 200)
+   ? "Factorial:", FrbDo(pMod, "FACTORIAL", 10)
+
+   FrbUnload(pMod)
+   ? ""
+   ? "=== Done (pcode mode, 175 bytes, no Go needed!) ==="
+
+   RETURN NIL