按建议继续完成后续工作

结论：native 兼容性验证已接入 interpreter init、rotary indexer、canonical 边界 fixture，并新增 upstream rs274 side-by-side 基线；完整 verify_native_probes.sh 已通过。

wasm-port/docs/compatibility-validation.md

@@ -24,10 +24,14 @@ The native validation script runs these checks in order:
    vendored file exists, and every vendored file is byte-identical to upstream.
 3. `tools/verify_no_standalone_cnc_semantics.sh`
    Confirms standalone code has not reintroduced `Interp::convert_g()`.
-4. `tools/build_native_probes.sh`
+4. `tools/verify_native_linuxcnc_fixture_baseline.sh`
+   Runs a narrow side-by-side fixture baseline through upstream
+   `../linuxcnc/bin/rs274` and compares normalized canonical events for
+   fixtures that do not require standalone-only runtime adapters.
+5. `tools/build_native_probes.sh`
    Builds native source probes and standalone harnesses from vendored
    LinuxCNC source plus narrow runtime wrappers.
-5. `tests/native/verify_native_probes.sh`
+6. `tests/native/verify_native_probes.sh`
    Checks probe exit codes, source-probe coverage, harness stdout, canonical
    fixture events, and expected error behavior.
 
@@ -51,6 +55,8 @@ The validation fails if:
 | `linuxcnc_namedparam_harness` | Validates LinuxCNC named parameter behavior, `_ini[...]`, and `_hal[...]` adapter resolution. |
 | `linuxcnc_interp_minimal_harness` | Runs G-code fixtures through vendored LinuxCNC parser/execution/conversion code and captures canonical events. |
 | `linuxcnc_parameter_file_harness` | Validates LinuxCNC parameter file restore/save behavior and required/read-only parameter handling. |
+| `linuxcnc_interp_init_harness` | Validates vendored LinuxCNC `Interp::init()` emits canonical initialization boundaries through the standalone event sink. |
+| `linuxcnc_indexer_harness` | Validates vendored LinuxCNC single-axis rotary indexer dispatch emits lock/unlock and motion boundaries through the standalone event sink. |
 | `linuxcnc_tp_api_probe` | Validates vendored LinuxCNC trajectory planner calls for linear, arc, and queued motion paths. |
 | `linuxcnc_kinematics_probe` | Validates vendored LinuxCNC `trivkins.c` plus `kins_util.c` initialize and perform identity forward/inverse mapping through the standalone HAL/RTAPI boundary. |
 | `linuxcnc_5axis_kinematics_probe` | Validates vendored LinuxCNC `5axiskins.c` through `switchkins.c`, including 5-axis forward/inverse round-trip behavior and switching to identity kinematics. |
@@ -75,6 +81,11 @@ Positive G-code fixtures currently cover:
 - spindle orient
 - tool semantics
 - tool table setup
+- tool-data reload boundary
+- interpreter state-tag boundary
+- percent-delimited file `FINISH` boundary
+- file-open `ON_RESET` boundary
+- comment logging canonical calls
 - named and numbered parameters
 - O-word subroutines
 - program-end modal reset
@@ -96,9 +107,11 @@ Negative fixtures currently cover:
 Current validation is native-only. WASM, browser, SDK, OPFS, and full
 machine-session validation remain future work.
 
-The current fixture expectations validate standalone behavior against the
-vendored LinuxCNC source path. They do not yet run a side-by-side native
-LinuxCNC executable comparison for each fixture.
+The current fixture expectations validate standalone behavior against both the
+vendored LinuxCNC source path and a first upstream `rs274` side-by-side
+baseline for simple parser/conversion fixtures. Fixtures that depend on
+standalone-only runtime adapters, HAL/INI/tool table setup, or richer machine
+session state still need dedicated native LinuxCNC baselines.
 
 The kinematics probes currently cover LinuxCNC identity/trivial kinematics,
 the switchable `5axiskins` XYZBCW bridge-mill model, and the TRT `xyzac`/`xyzbc`

wasm-port/docs/drift-report.md

@@ -26,6 +26,13 @@ semantic rewrites:
 | HAL lookup | Standalone HAL adapter for `_hal[...]` named parameter reads. |
 | INI lookup | Standalone INI adapter around vendored LinuxCNC INI parser behavior. |
 | Canonical output | Canonical calls are captured as test events instead of driving hardware. |
+| Tool-data reload | LinuxCNC `RELOAD_TOOLDATA` is captured as a canonical test event; browser/native tool-table reload plumbing remains a future host/runtime adapter. |
+| Interpreter state tags | LinuxCNC `UPDATE_TAG` callbacks are captured from the state tags packed by vendored interpreter code; standalone code does not derive modal state. |
+| Rotary indexer lock state | LinuxCNC `UNLOCK_ROTARY` and `LOCK_ROTARY` callbacks are captured from the vendored single-axis indexer path; standalone code does not implement rotary-indexing semantics. |
+| File flush | LinuxCNC `FINISH` is captured as a canonical test event on the vendored `%`-delimited file-reading path. |
+| Interpreter reset | LinuxCNC `ON_RESET` is captured as a canonical test event on the vendored interpreter reset/file-open path. |
+| Interpreter init | LinuxCNC `INIT_CANON` and the canonical initialization sequence from vendored `Interp::init()` are captured as test events. |
+| Comment logging | LinuxCNC `LOGOPEN`, `LOG`, `LOGAPPEND`, and `LOGCLOSE` callbacks are captured as canonical test events instead of writing host log files. |
 | Python/remap | Python/remap hooks are stubbed at the runtime edge. |
 | Dynamic interpreter path | `interp_base.cc` probe uses standalone `EMC2_HOME` compile-time path boundary. |
 | Realtime scheduler | TP probes seed deterministic status/config data instead of running LinuxCNC realtime process topology. |
@@ -58,8 +65,10 @@ semantic rewrites:
 - Positive cutter-compensated motion and cutter compensation rejection paths
   now have standalone interpreter fixture coverage through vendored LinuxCNC
   source.
-- Fixture expectations are currently checked against the standalone vendored
-  source path, not by running a native LinuxCNC binary for every fixture.
+- Fixture expectations are checked against the standalone vendored source
+  path. A first upstream `rs274` side-by-side baseline now covers simple
+  parser/conversion fixtures; adapter-heavy fixtures still need dedicated
+  native LinuxCNC baselines.
 
 ## Current Drift Conclusion
 

wasm-port/docs/porting-steps-standalone.md

@@ -456,6 +456,58 @@ Current verified progress:
   `tests/fixtures/gcode/tool_table_setup.ngc` and
   `tests/fixtures/canon/tool_table_setup.events` pin `G10 L1` tool offset,
   diameter, front/back angle, and orientation behavior.
+- `runtime/core/linuxcnc_wrap/linuxcnc_interp_minimal_runtime.cpp` now records
+  the tool-data reload boundary call emitted by vendored
+  `interp_convert.cc::convert_modal_0()`: `RELOAD_TOOLDATA`.
+  `tests/fixtures/gcode/tool_reload.ngc` and
+  `tests/fixtures/canon/tool_reload.events` pin `G10 L0` dispatch without
+  adding standalone tool-table reload semantics.
+- `runtime/core/linuxcnc_wrap/linuxcnc_interp_minimal_runtime.cpp` now records
+  interpreter state-tag boundary calls emitted by vendored LinuxCNC
+  `interp_write.cc::write_state_tag()` and
+  `interp_convert.cc::update_tag()`: `UPDATE_TAG`.
+  `tests/fixtures/gcode/state_tag_motion.ngc` and
+  `tests/fixtures/canon/state_tag_motion.events` pin straight-motion state tag
+  emission without deriving modal state in standalone code.
+- `runtime/core/linuxcnc_wrap/linuxcnc_interp_minimal_runtime.cpp` now records
+  rotary indexer lock/unlock boundary calls emitted by vendored
+  `interp_convert.cc::issue_straight_index()`: `UNLOCK_ROTARY` and
+  `LOCK_ROTARY`. A dedicated `linuxcnc_indexer_harness` pins the LinuxCNC
+  single-axis `G0 A...` indexer path, including the surrounding motion-control
+  boundary calls, without adding standalone rotary-indexing semantics.
+- `runtime/core/linuxcnc_wrap/linuxcnc_interp_minimal_runtime.cpp` now records
+  the canonical flush boundary emitted by vendored LinuxCNC file-reading
+  code: `FINISH`. `tests/fixtures/gcode/percent_file_finish.ngc` and
+  `tests/fixtures/canon/percent_file_finish.events` pin `%`-delimited file
+  handling from `rs274ngc_pre.cc::open()` and `interp_read.cc::read_text()`.
+  The native verification script treats this fixture as file-mode-only
+  because `%` is a LinuxCNC program-file delimiter, not a valid MDI command.
+- `runtime/core/linuxcnc_wrap/linuxcnc_interp_minimal_runtime.cpp` now records
+  the reset/queue-drop boundary emitted by vendored
+  `rs274ngc_pre.cc::reset()`: `ON_RESET`.
+  `tests/fixtures/gcode/file_open_reset.ngc` and
+  `tests/fixtures/canon/file_open_reset.events` pin the LinuxCNC file-open
+  reset path without adding standalone queue-management semantics.
+- `runtime/core/linuxcnc_wrap/linuxcnc_interp_minimal_runtime.cpp` now records
+  the interpreter initialization boundary emitted by vendored
+  `rs274ngc_pre.cc::init()`: `INIT_CANON`. A dedicated
+  `linuxcnc_interp_init_harness` calls vendored `Interp::init()` and pins the
+  LinuxCNC initialization sequence: `INIT_CANON`, `USE_LENGTH_UNITS`,
+  `SET_G5X_OFFSET`, `SET_G92_OFFSET`, `SET_XY_ROTATION`, and
+  `SET_FEED_REFERENCE`, without changing the minimal G-code fixture harness
+  startup path.
+- `runtime/core/linuxcnc_wrap/linuxcnc_interp_minimal_runtime.cpp` now records
+  comment logging canonical boundary calls emitted by vendored
+  `interp_convert.cc::convert_comment()`: `LOGOPEN`, `LOG`, `LOGAPPEND`,
+  and `LOGCLOSE`. `tests/fixtures/gcode/comment_logging.ngc` and
+  `tests/fixtures/canon/comment_logging.events` pin LinuxCNC comment logging
+  dispatch without adding standalone comment semantics.
+- `tools/verify_native_linuxcnc_fixture_baseline.sh` now runs a first
+  side-by-side baseline against upstream `../linuxcnc/bin/rs274`. It normalizes
+  native LinuxCNC canonical output for simple parser/conversion fixtures
+  (`minimal_linear`, `length_units`, `plane_selection`, and
+  `modal_incremental`) and compares it with the standalone fixture events,
+  without introducing a project-authored CNC semantics oracle.
 - `tests/fixtures/gcode_errors/g1_zero_feed.ngc` and
   `tests/fixtures/canon_errors/g1_zero_feed.expected` pin the negative
   `G1` zero-feed case. The source basis is LinuxCNC