fix(ocpp20): remediate all OCPP 2.0.1 audit findings (#1726)

fix(ocpp20): remediate all OCPP 2.0.1 audit findings (#1726)

* fix(ocpp20): add consistent statusInfo to all rejection responses

* fix(ocpp20): cache validatePersistentMappings and fix MinSet/MaxSet atomicity

* feat(ocpp20): implement SetNetworkProfile Accepted path per B09.FR.01

* fix(ocpp20): prevent deletion of ChargingStationCertificate per M04.FR.06

* feat(ocpp20): implement GetLog lifecycle with LogStatusNotification per N01

* fix(ocpp20): implement NotifyCustomerInformation pagination and N09.FR.09 validation

* feat(ocpp20): add X.509 certificate validation per A02.FR.06 and M05

* feat(ocpp20): implement UpdateFirmware lifecycle with status notifications per L01/L02

* feat(ocpp20): generate real PKCS#10 CSR with node:crypto per A02.FR.02

* feat(ocpp20): add firmware signature check, transaction blocking, cancellation

* docs(ocpp20): document OCSP limitation + enforce MaxCertificateChainSize

* style(ocpp20): fix all lint errors and warnings

* [autofix.ci] apply automated fixes

* fix(ocpp20): address PR review findings — enum fix, per-station cache, cancellation status

* [autofix.ci] apply automated fixes

* docs(ocpp20): document simulator limitations for SetNetworkProfile and X.509 validation

* refactor(ocpp20): extract ASN.1 DER utilities to dedicated module

* fix(ocpp20): scope invalidVariables per-station in VariableManager singleton

* [autofix.ci] apply automated fixes

* test(ocpp20): improve test hygiene — extract flushMicrotasks, remove dead code, strengthen spy coverage

* [autofix.ci] apply automated fixes

* fix(ocpp20): replace silent hashId fallback with fail-fast guard in VariableManager

* fix(ocpp20): align B09.FR.02 reasonCode to errata 2025-09 InvalidNetworkConf

* style(ocpp20): normalize spec ref format in additionalInfo to parentheses style

* fix(ocpp20): use request hashAlgorithm in M04.FR.06 guard for algorithm-independent certificate matching

* [autofix.ci] apply automated fixes

* style(ocpp20): harmonize message content — sentence case, consistent punctuation, no em-dash

* fix(ocpp20): unify .catch() log level to logger.error for all fire-and-forget notifications

* fix(ocpp20): remove noisy per-call OCSP stub warning — limitation already documented in JSDoc

* refactor(ocpp20): rename invalidVariablesPerStation to invalidVariables for naming consistency

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Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>