Remove dynamic memory allocations. Add support for TF-PSA encryption. Add logging. Add extra sensors.

[PolarGoose]

• Remove dynamic memory allocations
• Add support for TF-PSA encryption
• Improve test coverage
• Add logging
• Incorporate pull request: add OBIS for israel meters #50

[Copilot]

Pull request overview

This PR refactors the DSMR parsing/decryption APIs to remove dynamic allocations, add logging, add TF-PSA AES-128-GCM support, and expand protocol coverage (incl. Israel-specific OBIS fields), with corresponding test and documentation updates.

Changes:

• Refactor parsing/accumulation APIs to work on std::string_view/std::span<uint8_t> and return bool/std::optional with error details routed through logging.
• Introduce a pluggable AES-128-GCM decryptor interface and add a TF-PSA implementation; update DLMS decryptor to return DsmrUnencryptedTelegram.
• Expand unit tests and examples, add a shared test log-capture fixture, and update README to reflect new capabilities/goals.

Reviewed changes

Copilot reviewed 23 out of 23 changed files in this pull request and generated 8 comments.

Show a summary per file

File	Description
tests/test_util.h	Adds a logger capture fixture used throughout tests.
tests/parser_test.cpp	Updates parser tests to new DsmrParser API, adds Israel OBIS coverage, and asserts on logged errors.
tests/parser_include_test.cpp	Updates include/compile smoke test to new parser API.
tests/packet_accumulator_test.cpp	Migrates to uint8_t buffers, new return type, and log-based assertions.
tests/packet_accumulator_include_test.cpp	Updates include/compile smoke test for new PacketAccumulator ctor signature.
tests/packet_accumulator_example_test.cpp	Updates usage example to new accumulator/parser APIs and improves inline guidance.
tests/dlms_packet_decryptor_test.cpp	Updates decryptor tests for new interface and adds TF-PSA backend coverage.
tests/dlms_packet_decryptor_include_test.cpp	Updates include/compile smoke test for new decryptor construction and key type.
tests/dlms_packet_decryptor_example_test.cpp	Updates decryptor example to new API and documents available backends.
tests/decryption/aes128gcm_tfpsa_include_test.cpp	Adds include/compile smoke test for the TF-PSA backend header.
tests/decryption/aes128gcm_mbedtls_include_test.cpp	Updates include/compile smoke test paths/types for mbedTLS backend.
tests/decryption/aes128gcm_bearssl_include_test.cpp	Updates include/compile smoke test paths/types for BearSSL backend.
src/dsmr_parser/util.h	Removes ParseResult, adds DsmrUnencryptedTelegram and a global Logger facility.
src/dsmr_parser/parser.h	Rewrites parsing to string_view + logging, adds DsmrParser entrypoint.
src/dsmr_parser/packet_accumulator.h	Switches to uint8_t buffers and returns std::optional<DsmrUnencryptedTelegram> with logging.
src/dsmr_parser/fields.h	Migrates fields to string_view storage and new parsing helpers; adds Israel-specific OBIS fields.
src/dsmr_parser/dlms_packet_decryptor.h	Refactors decryptor to use a backend interface and return DsmrUnencryptedTelegram; adds extra validation/logging.
src/dsmr_parser/decryption/aes128gcm.h	Introduces new AES-128-GCM key/decryptor interface and hex parsing.
src/dsmr_parser/decryption/aes128gcm_mbedtls.h	Updates mbedTLS backend to implement the new decryptor interface.
src/dsmr_parser/decryption/aes128gcm_bearssl.h	Updates BearSSL backend to implement the new decryptor interface and improves header detection.
src/dsmr_parser/decryption/aes128gcm_tfpsa.h	Adds TF-PSA AES-128-GCM decryptor backend.
src/dsmr_parser/aes128gcm.h	Removes old key type/header (replaced by decryption/aes128gcm.h).
README.md	Updates stated goals (no dynamic allocations), supported encryption backends, and links/examples.

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[Copilot]

Pull request overview

Copilot reviewed 23 out of 23 changed files in this pull request and generated 4 comments.

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