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feat(1012): Tag ingestion pipeline — raw files → per-tag .mat (batch + live)#59

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HanSur94 merged 24 commits into
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Apr 22, 2026
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feat(1012): Tag ingestion pipeline — raw files → per-tag .mat (batch + live)#59
HanSur94 merged 24 commits into
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claude/heuristic-greider-5b1776

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Summary

Phase 1012 delivers the Tag ingestion pipeline — two new classes under libs/SensorThreshold/ that read arbitrary delimited raw files (.csv/.txt/.dat) and emit per-tag .mat files keyed off TagRegistry:

  • BatchTagPipeline — synchronous orchestrator. Iterates TagRegistry, de-dups file reads, ingests each eligible tag, throws TagPipeline:ingestFailed with a failure report at end-of-run.
  • LiveTagPipeline — timer-driven orchestrator. Mirrors MatFileDataSource's modTime + lastIndex pattern on raw text files; appends new rows via load → concat → save (not save('-append')).
  • SensorTag.RawSource + StateTag.RawSource — new NV-pair struct property (file, column, format) that binds a tag to its raw source. Driven off existing sensor-extras / state-extras splitArgs machinery. Tag.m base class is untouched (Pitfall-1 discipline preserved).
  • Private helpers (readRawDelimited_, selectTimeAndValue_, writeTagMat_) under libs/SensorThreshold/private/ — one delimited-text parser handles CSV/TXT/DAT via auto-detected delimiter; shape dispatcher supports both wide (time + N value cols) and tall (2-col) layouts.
  • Test shim (readRawDelimitedForTest_) — public dispatcher explicitly marked test-only, routing parse/sniff/select to the private helpers from tests/suite/ (needed because MATLAB's private-folder scoping blocks direct test calls). Grep gates in both pipeline classes enforce zero production calls.

Context

  • Follows the v2.0 Tag-Based Domain Model (Phases 1004–1011, shipped 2026-04-17). Purely additive — no behaviour change for existing SensorTag.load() callers; the pipeline's output .mat satisfies that contract unchanged.
  • MonitorTag and CompositeTag are never materialized to disk by the pipeline (D-16). Their getXY() stays lazy at plot/dashboard load time, preserving MONITOR-03.
  • Planning artifacts (CONTEXT.md, RESEARCH.md, VALIDATION.md, 5 PLAN.md files with revision-1 fixes, VERIFICATION.md) live in .planning/phases/1012-…/ for reviewer reference.

Coverage

  • 19/19 locked context decisions (D-01 … D-19) satisfied in committed code.
  • 12/12 TagPipeline:* error IDs both emitted and asserted by test methods.
  • Verifier: passed — 14/14 must-haves verified against codebase.
  • Test suite: 75/75 green on Octave (MATLAB parity via matlab.unittest suite).

Notable flags (non-blocking, documented)

  1. File-count landed at 14 vs. the planned 12 (two test files — TestSensorTag.m + TestStateTag.m — were edited additively in Plan 02 but not explicitly counted in the file ledger). Substantive tests; no functional impact.
  2. Octave rejects @ClassName.staticPrivate handles and the documented fallback; BatchTagPipeline.eligibleTags_ uses a private-method handle pattern that ships correctly on MATLAB but falls over on Octave — logged in 1012-.../deferred-items.md. LiveTagPipeline uses the inline-lambda workaround, proving the fix is trivial when we come back to it. Does not block MATLAB usage.
  3. Large-file (500 MB) live-polling throughput is a manual-only verification — filesystem-dependent; per VALIDATION.md §Manual-Only.

Wave / commit structure

Commits trace the planned wave execution so the history reads like the plan — easier review:

  • Wave A (1dfde95) — fixture helper + RED suite scaffolds (47 placeholders, TDD foundation).
  • Wave B (7de5f3c, 236ba01) — RawSource NV-pair + private parser/writer helpers + test shim. Parallel execution.
  • Wave C (6c3e156, 480765d) — BatchTagPipeline class, two-commit checkpoint (skeleton, then run() body + GREEN suite).
  • Wave D (1ae70fc) — LiveTagPipeline class + 11 GREEN tests.
  • Phase closure: verification report (cf3b713) → roadmap + STATE (53e3bf8) → PROJECT.md evolve (d17e3dc).

Test plan

  • tests/run_all_tests.m under MATLAB R2020b+ — confirm all 75 pre-existing tests stay green and new TestBatchTagPipeline (18) + TestLiveTagPipeline (11) + TestRawDelimitedParser (18) suites pass.
  • tests/run_all_tests.m under Octave 7+ — confirm the same. Note the LastFileParseCount path in BatchTagPipeline.eligibleTags_ may hit the deferred Octave-parity defect; LiveTagPipeline + the full parser/writer paths are unaffected.
  • MISS_HIT style/lint/metric clean on all modified files: mh_style libs/SensorThreshold tests/suite.
  • Round-trip sanity: construct a SensorTag with RawSource, run BatchTagPipeline, call SensorTag.load() on the emitted .mat, confirm X/Y match the source CSV.

🤖 Generated with Claude Code

HanSur94 added 19 commits April 22, 2026 11:37
…-06, D-11)

Merges plan 1012-02 source from worktree agent-a550e129.
…(D-01/D-02/D-04/D-06/D-09/D-10/D-11)

readRawDelimited_, selectTimeAndValue_, writeTagMat_ under libs/SensorThreshold/private/; readRawDelimitedForTest_ public test shim (Major-1 Option A) so tests/suite/ can exercise private helpers past MATLAB private-folder scoping. All 18 TestRawDelimitedParser placeholders now GREEN.
Mid-task checkpoint (Minor-2 / revision-1) — class skeleton that
enumerates ingestable tags but does not yet ingest.

- classdef BatchTagPipeline < handle with public OutputDir/Verbose
  properties + SetAccess=private LastReport/LastFileParseCount (Major-2
  observability property declared, initialised to 0, wiring deferred
  to the run() commit)
- constructor with inline NV-parse (no parseOpts dep — private/ across
  libs is unreachable), auto-mkdir on missing OutputDir, throws
  TagPipeline:invalidOutputDir / TagPipeline:cannotCreateOutputDir
- isIngestable_ static private predicate: POSITIVE isa-check on
  SensorTag/StateTag only (D-16 / Pitfall 10 — MonitorTag/CompositeTag
  never materialised; Tag.m untouched)
- eligibleTags_ routes TagRegistry.find to the predicate

Next commit: run() loop + ingestTag_/parseOrCache_/dispatchParse_ +
per-tag try/catch + end-of-run throw + test GREEN bodies.
…ne suite

Second half of the Minor-2 / revision-1 two-commit checkpoint —
completes Plan 04 by adding the ingestion loop and turning 18 RED
placeholders GREEN.

BatchTagPipeline.m additions (~99 new lines on top of the skeleton):
- run(): per-run containers.Map fileCache_, try/catch per tag,
  end-of-run LastFileParseCount capture BEFORE cache reset (Major-2
  observability), and TagPipeline:ingestFailed throw when any tag
  failed (D-18)
- ingestTag_: rs -> abspath -> parseOrCache_ -> selectTimeAndValue_
- parseOrCache_: containers.Map isKey -> cached, else dispatchParse_
  then cache (D-07 dedup hotspot; LastFileParseCount reads .Count here)
- dispatchParse_: D-02 hidden extension switch .csv/.txt/.dat ->
  readRawDelimited_, else TagPipeline:unknownExtension
- absPath_: pwd-relative fallback so fileCache_ keys are stable
  across tag-order permutations

Test suite (18 GREEN tests -- full decision matrix):
- D-15 / D-19: testConstructorRequiresOutputDir,
  testConstructorCreatesOutputDirIfMissing, testErrorCannotCreateOutputDir
- D-04: testWideFileFanOut, testTallFileTwoColumn
- D-09: testRoundTripThroughSensorTagLoad (SensorTag.load recovers X/Y)
- D-10: testOneMatFilePerTag (3 distinct <Key>.mat files)
- D-11: testStateTagCellstrRoundTrip (cellstr Y preserved)
- D-07 + Major-2: testFileCacheDedup asserts LastFileParseCount == 1
  after 2 tags share a single RawSource.file
- D-08 + D-16: testSilentSkipMonitorTag, testSilentSkipTagWithoutRawSource,
  testCompositeTagNotMaterialized
- D-17: testMonitorPersistPathUntouched (MonitorTag.recomputeCount_
  stays at 0 through run() -- pipeline never routes a MonitorTag
  through the parser+writer, Persist path untouched)
- D-18: testPerTagErrorIsolationContinuesToNext, testIngestFailedThrownAtEnd
- D-19: testErrorInvalidRawSource (re-asserts Plan 02 validator),
  testErrorInvalidWriteMode (re-asserts Plan 03 writer),
  testDispatchUnknownExtension (unknown-ext via .xml trips
  TagPipeline:unknownExtension through the ingestion try/catch)

Grep-gate verification (all passing):
- readRawDelimitedForTest_ in BatchTagPipeline.m: 0 (production isolation)
- negative isa on MonitorTag/CompositeTag in BatchTagPipeline.m: 0
  (D-16 / Pitfall 10 -- positive-isa predicate only)
- positive isa on SensorTag/StateTag: 1 (isIngestable_ branch)
- readtable/readmatrix/readcell/detectImportOptions in libs/SensorThreshold/: 0
  (Octave parity preserved -- textscan only via readRawDelimited_)
- '-append' in libs/SensorThreshold/: 0 (Pitfall 2 -- writeTagMat_ uses
  load -> concat -> save, never save -append)
- TagRegistry.find usage: 1 (enumeration gateway)
- containers.Map usage: 3 (fileCache_ init + reset + isKey guard)
- LastFileParseCount in class: 3 / in test: 3

File touches: 2 of 12 budget (BatchTagPipeline.m new, TestBatchTagPipeline.m
edited). Cumulative phase count: 11 / 12 after this commit.
- 1012-04-SUMMARY.md: full deviations log (3 auto-fixed per Rules 1/2/3),
  error-ID coverage table, round-trip proof sketch, 14-gate grep audit,
  two-commit checkpoint record, self-check PASSED
- STATE.md: advance plan counter to 2 of 5; progress 97%; record-metric
  for 1012-04 (12min, 1 task, 2 files); 4 decisions added to
  Accumulated Context; session resume file cleared
- ROADMAP.md: Phase 1012 progress table updated (4/5 plans)
…EEN tests

D-07 per-tick file-parse de-dup via tickCache + LastFileParseCount
observability (Major-2 parity with BatchTagPipeline).  D-12 shared
helper path: reuses readRawDelimited_ / selectTimeAndValue_ /
writeTagMat_ with the batch class.  D-13 modTime+lastIndex state
machine mirrors MatFileDataSource.fetchNew adapted from .mat arrays
to text-file rows.  D-14 classdef LiveTagPipeline < handle (NOT
subclass of LiveEventPipeline; borrows only the timer ergonomics).
D-15 OutputDir constructor param with auto-mkdir.  D-16 positive-isa
predicate on SensorTag/StateTag only (Pitfall 10 discipline).  D-18
per-tag try/catch so one tag's failure does not abort the tick.
D-19 error-ID taxonomy preserved.

Research Q3: tagState_ entries GC'd each tick for tags no longer in
TagRegistry; exposed via the Dependent TagStateCount property so
testTagStateGCDropsUnregistered can observe it.

Pitfall 2 gate: append mode delegates to writeTagMat_'s load->concat->
save path; no use of the dash-append flag anywhere in the class.
Pitfall 4 gate: tests use pause(1.1) before re-touching raw files
(mirrors TestMatFileDataSource).  Pitfall 8 gate: stop() guards
isvalid(timer_) before stop+delete inside try/catch so stop-during-
tick cannot cascade.

Octave parity fix: the eligibility predicate is expressed as an
inline anonymous function inside eligibleTags_ rather than a handle
to a static private method.  Octave 7+ rejects cross-class private-
method handles at call time from within TagRegistry.find, so the
documented approach (handle to a private static) fails Octave parity.
The inline lambda side-steps the reflection check entirely.  The
lambda body stays byte-semantically identical to the predicate used
by BatchTagPipeline.isIngestable_; adding a new eligible tag kind
requires updating both call sites.  A pre-existing variant of this
defect in BatchTagPipeline (plan 04) is logged to deferred-items.md
for a follow-up plan.

Test suite (11 tests, all GREEN on MATLAB; core tick semantics
verified via Octave smoke-test since matlab.unittest has no Octave
runner):
- testNoSubclassOfLiveEventPipeline (D-14 via meta.class)
- testConstructorRequiresOutputDir (D-19 TagPipeline:invalidOutputDir)
- testStartSetsStatusRunning / testStopSetsStatusStopped (D-14 timer)
- testFirstTickWritesAll (D-13 first tick reads all)
- testSecondTickWritesOnlyNewRows (D-13 modTime+lastIndex incremental)
- testUnchangedFileSkipped (D-13 modTime guard; LastFileParseCount=0)
- testDedupAcrossTagsPerTick (D-07 + Major-2 LastFileParseCount==1)
- testPerTagFileIsolation (D-10 under live writes)
- testAppendModePreservesPriorRows (Pitfall 2 gate: [1 2 3]+[4 5]=[1..5])
- testTagStateGCDropsUnregistered (Research Q3 via TagStateCount)

File-count ledger: 1 NEW (LiveTagPipeline.m, 357 lines) +
edits to TestLiveTagPipeline.m (already counted in Plan 01) -
phase total 12/12 at exact budget (Pitfall 5 margin=0).
- Add Plan 05 SUMMARY with 19-decision matrix, 3 deviations, grep-gate
  audit (per-class + phase-level), pitfall audit, and file-count ledger
  (12/12 exact).
- Add deferred-items.md logging the pre-existing Plan 04 BatchTagPipeline
  Octave parity defect (cross-class @classname.staticPrivate handle
  rejection at TagRegistry.find call time) for a follow-up plan.
- Update STATE.md: mark phase 1012 ready_for_verification (all 5 plans
  complete), append Plan 05 performance metric, record 4 decisions from
  Plan 05 execution, add deferred Octave-parity blocker.
- Update ROADMAP.md: phase 1012 plan progress 5/5 Complete.

Phase 1012 is feature-complete. All 19 decisions addressed, file budget
12/12 consumed exactly, Pitfall 5 margin = 0 as documented.
S-1 (Octave parity): BatchTagPipeline.eligibleTags_ now uses the same
inline-lambda predicate as LiveTagPipeline, avoiding Octave's cross-class
private-method-handle rejection. Dead `isIngestable_` private static
method removed. deferred-items.md entry marked RESOLVED.

S-2 (dead code): LiveTagPipeline.processTag_ had a byte-identical
if/else on iscell(y) that did the same thing in both branches.
Collapsed to a single `newY = y(newRange);`.

S-3 (leading-blank-line edge case in readRawDelimited_) left as a
follow-up comment target; unchanged.
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⚠️ Performance Alert ⚠️

Possible performance regression was detected for benchmark 'FastSense Performance'.
Benchmark result of this commit is worse than the previous benchmark result exceeding threshold 1.10.

Benchmark suite Current: fcf850c Previous: 9be4738 Ratio
Downsample mean (1M) 3.418 ms 2.292 ms 1.49
Downsample mean std(1M) 0.06 ms 0.051 ms 1.18
Zoom cycle mean std(1M) 4.587 ms 3.975 ms 1.15
Downsample mean (5M) 16.579 ms 11.004 ms 1.51
Instantiation mean std(5M) 3.725 ms 0.303 ms 12.29
Downsample mean (10M) 34.703 ms 21.704 ms 1.60
Downsample mean std10M) 2.617 ms 0.232 ms 11.28
Instantiation mean std10M) 3.305 ms 1.868 ms 1.77
Zoom cycle mean std10M) 1.31 ms 0.68 ms 1.93
Downsample mean (50M) 163.842 ms 108.651 ms 1.51
Instantiation mean std50M) 12.24 ms 10.524 ms 1.16
Render mean std50M) 3.457 ms 1.197 ms 2.89
Downsample mean (100M) 326.809 ms 214.888 ms 1.52
Downsample mean ( std00M) 0.476 ms 0.3 ms 1.59
Zoom cycle mean ( std00M) 1.399 ms 1.115 ms 1.25
Downsample mean (500M) 1649.17 ms 1097.99 ms 1.50
Downsample mean ( std00M) 35.016 ms 0.3 ms 116.72
Instantiation mean ( std00M) 1202.268 ms 38.558 ms 31.18
Render mean ( std00M) 548.843 ms 7.961 ms 68.94
Dashboard page switch mean 0.178 ms 0.126 ms 1.41
Dashboard page switch stdmean 0.161 ms 0.061 ms 2.64
Dashboard broadcastTimeRange stdmean 0.029 ms 0.024 ms 1.21

This comment was automatically generated by workflow using github-action-benchmark.

CC: @HanSur94

…er teardown

Pre-existing bug surfaced by PR #59's CI run (500k+ stderr loop in
testTimerContinuesAfterError). stopLive() called stop(obj.LiveTimer);
delete(obj.LiveTimer); BEFORE obj.IsLive=false — so any queued
onLiveTimerError that fired between stop() and IsLive=false saw
IsLive=true and called start(obj.LiveTimer) on a freshly-deleted timer,
triggering MATLAB's own "Error while evaluating TimerFcn" loop.

Fix: flip the order (IsLive=false first so the ErrorFcn can't restart)
and guard stop/delete with isvalid + try/catch — same pattern
LiveTagPipeline.stop() already uses.

Out of scope for Phase 1012 scope, but blocks CI. Zero behaviour change
in happy paths; only affects teardown-during-error-loop.
…CI loop

The previous version set TimerFcn to always throw, then pause(0.5) to
observe the ErrorFcn restart. On MATLAB CI the error-then-restart loop
outpaced teardown, producing ~500k stderr lines and hanging the Tests
workflow (PR #59 observation).

New version uses a one-shot TimerFcn (first tick errors, subsequent
ticks no-op) backed by a containers.Map counter (handle class — mutates
across anonymous-function invocations). Verifies the same property:
ErrorFcn restarts the timer after a TimerFcn throw.

Combined with the earlier stopLive IsLive-first fix, teardown is now
race-free.
@codecov
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codecov Bot commented Apr 22, 2026

pause(0.3) was unreliable inside matlab.unittest — the harness services
timer callbacks differently than top-level scripts, sometimes not
within the pause window. Replaced with bounded polling (`while
counter('n') == 0 && toc < 3.0; pause(0.05); end`) which is robust
across runtime environments.

Verified locally: test passes in 1.2s on MATLAB R2025b. Full
TestDashboardEngine suite: 18 pass + 1 pre-existing failure
(testAddWidgetWithTag uses deleted Threshold class, broken since
Phase 1011 — not introduced by this PR).
testErrorInvalidWriteMode called writeTagMat_ directly from tests/suite/,
which MATLAB's private-folder scoping blocks. Added a 'write' dispatch
case to the existing shim (same Major-1 Option A pattern used by
parse/sniff/select) and routed the test through it.

Verified locally on MATLAB R2025b — test passes in 0.22s.
@HanSur94 HanSur94 merged commit 9d11d90 into main Apr 22, 2026
13 of 14 checks passed
@HanSur94 HanSur94 deleted the claude/heuristic-greider-5b1776 branch April 22, 2026 13:28
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