New 'Parser' subtab in C-APDU section. Detects format (compact C-APDU
chain, expanded AA/AE80 script) and renders collapsible tree with decoded
parameters. Key features:
- BER-TLV parser with multi-byte tag support and CR-bit handling
- Proactive command decoder (types from BER_QUAL, devices from BER_DEVICES)
- SIM/UICC toolkit parameter decoder (CA/EA/80)
- GSM7 text decode (7-bit packed, escape sequences)
- Best-effort UCS2/GSM7 text detection
- Compact C-APDU chain with implied-CLA support (SELECT + op chaining)
- 18 test cases from exchange vectors (apdu_parse.test.js)
catarrh
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