fix: remove the base64 encoding for the file encryption

[manishdex25]

Summary by CodeRabbit

• Refactoring
  • Encryption now auto-generates and displays a decryption key instead of collecting one from the user.
  • Decryption prompts now expect the hex-formatted key produced by encryption.
  • Command descriptions simplified for clarity.
  • Error messages refined to more clearly indicate when the provided key is incorrect.

[coderabbitai]

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Reviewing files that changed from the base of the PR and between 65946e9 and cb6c33a.

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📝 Walkthrough

Walkthrough

Encrypt now generates an internal hex key and prints it; decrypt accepts a provided hex key directly (no internal key derivation). Command descriptions and error text were simplified; tests and package dependency updated to reflect the new flow.

Changes

Cohort / File(s)	Summary
Command Implementations src/commands/oa/encrypt.ts, src/commands/oa/decrypt.ts	Encrypt: removed user key input, generates a key via encryptString() and prints it (using chalk); payload no longer stores a key. Decrypt: removed internal key derivation, prompts for/uses provided hex key directly; refined descriptions and error message.
Tests tests/commands/oa/encrypt.test.ts, tests/commands/oa/decrypt.test.ts	Tests updated to remove prompt password mocks, consume the generated key returned by encryptString(), assert payload has no key, and expect adjusted decryption error wording.
Dependencies / Manifest package.json	Bumped @trustvc/trustvc from ^2.10.0 to ^2.11.1 to match updated encryption/decryption API behavior.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant EncryptCmd as Encrypt Command
    participant EncryptLib as trustvc.encryptString()
    participant FileIO
    participant DecryptCmd as Decrypt Command
    participant DecryptLib as trustvc.decryptString()

    User->>EncryptCmd: run encrypt (documentPath, outPath)
    EncryptCmd->>FileIO: read document
    FileIO-->>EncryptCmd: document content
    EncryptCmd->>EncryptLib: encryptString(document)
    EncryptLib-->>EncryptCmd: {payload, key}
    EncryptCmd->>FileIO: write payload to outPath
    EncryptCmd->>User: display generated hex key

    User->>DecryptCmd: run decrypt (payloadPath)
    DecryptCmd->>User: prompt for hex key
    User-->>DecryptCmd: provide hex key
    DecryptCmd->>FileIO: read payload
    FileIO-->>DecryptCmd: encrypted payload
    DecryptCmd->>DecryptLib: decryptString(payload, key)
    DecryptLib-->>DecryptCmd: decrypted document
    DecryptCmd->>User: show decrypted document

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Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~25 minutes

Poem

🐰 A tiny hop, a hex key bright,
I sprout a token in the night.
No questions asked, it hops away—
Keep it safe, and you may play. 🥕🔐

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[tradetrustimda]

🎉 This PR is included in version 1.0.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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