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PureXML/docs/roadmap.md
Mihaela Mihaljevic 229d7df3d0 feat(validation,schema): composable validation framework and cross-document composition 
Ship the OpenAPIKit-style validation layer (builtin rules, warnings channel,
Validator tiers, coverage gates) and wire XSD compile checks through it. Advance
#161 with chameleon include validation, multi-container reference resolution,
and include targetNamespace composition rules so merged schema sets compile
correctly when a schemaLoader is provided.
2026-06-16 09:57:43 +02:00

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Roadmap

Living index of open work. Pin #167 on GitHub for the checklist view. Released v0.2.0 (2026-06-16); pre-1.0 until the production-readiness gates in docs/production-readiness.md are earned.

Current focus (priority order)

  1. #161: cross-document schema composition (include/import/redefine): chameleon include + cross-container reference checks landed; attg/schZ XSTS burn-down still open.
  2. #158 / #159: Particle Valid Restriction/Extension completion.
  3. #169: located schema diagnostics (line/column).
  4. #172–#174: instance-validation cluster tasks.

Parallel: #130 (XSLT suite), #139 (performance epic; tasks #175–#178).

M1 done: #171 schema differential harness (closed; opt-in; 231 XSTS oracle disagreements pinned) + generative fuzz + validation framework (#92).

XSTS gates (v0.2.0 baselines)

Gate Now Issue
Valid schemas rejected 1 #148
Invalid schemas accepted 264 #145
Valid instances rejected 173 #146
Invalid instances accepted 155 #147

Gates are metric trackers, not implementation tasks. Pick up task issues; ratchet baselines in Tests/XSTSSuiteTests.swift when counts fall.

Milestones

Milestone Exit criteria Key issues
M1: Trust the oracle Reference differential + fuzz #171 (closed), fuzz
M2: Schema compiles correctly #145 to 0 #161, #158, #159
M3: Instances validate correctly #146, #147 to 0 #172, #173, #174
M4: IDE-ready diagnostics Located errors, proven bounds #169
M5: 1.0 All gates at 0 #148 (closed at floor), #130, #139

Labels

Label Meaning
epic Grouping issue
gate XSTS outcome metric
task Implementation work
area-schema / area-instance / area-infra / area-xslt / area-perf Subsystem
priority-P0 / P1 / P2 Critical path vs parallel

Related docs

  • docs/production-readiness.md: the bar for IDE authority
  • docs/schema-validity-burndown.md: schema-side burn-down protocol
  • docs/xsts-deviations.md: deviation taxonomy and documented floors