feat(transcripts): add PDF branding and archive attachment support

[DivyamGoyal15]

Summary

Adds optional PDF transcript support improvements while keeping existing HTML transcript behavior unchanged.

Changes

• Added PDF transcript generation
• Added attachment metadata in PDF transcripts
• Added PDF branding/customization config
• Added configurable PDF colors, layout, footer, title, and branding options
• Fixed blank/empty PDF page generation
• Added support for archive/compressed attachments such as .zip, .tar.gz, .rar, .7z, etc.
• Archive files are listed in the PDF and can be sent separately with the transcript output
• Added safe file-size limits and fallback handling

Backwards Compatibility

HTML transcripts remain unchanged. Existing users should not be affected unless PDF transcript options are enabled.

Testing

• Ran npm run build
• Tested PDF transcript generation
• Tested attachment metadata
• Tested PDF customization config
• Tested archive attachment handling
• Confirmed the compare page shows the branch is able to merge

Notes

Sensitive values are not included. Runtime secrets should be configured outside the repository.

[DJj123dj]

Wow, looks nice! It will take a while to check, test and merge everything in v4.3. But from the first sight it already looks amazing! Thank you for contributing

[DivyamGoyal15]

Thankyou! and can i make New features like in Databases?

[DJj123dj]

Thankyou! and can i make New features like in Databases?

Creating new features which include database changes are a little bit more difficult because it also requires backwards compatibility, migration, etc. And config/database changes are only allowed in major versions (e.g. v4.2, v4.3, ...)

I recommend that you first open an issue with the feature you want to implement instead of directly creating pull requests. Certain features can better be added by plugins instead of in the core bot. And other features must be added to the Open Discord framework instead of Open Ticket itself.