feat: Long-press copy button to choose raw or formatted body

[yogen-p]

Summary

The transaction payload screen has a single copy button next to each request/response body. Today, tapping it copies transaction.requestBody / responseBody verbatim — even though the body is rendered pretty-printed and syntax-highlighted on screen, so users often paste a one-line JSON blob and lose the on-screen formatting.

This PR keeps the existing tap behaviour (copy raw body) and adds a long-press affordance that opens a popup with two explicit choices:

• Copy raw — transaction.requestBody / responseBody verbatim (same as the tap default).
• Copy formatted — runs the body through HttpTransaction.getFormattedRequestBody() / getFormattedResponseBody(), which delegates to the existing FormatUtils.formatJson / formatXml / formatUrlEncodedForm pretty-printers based on the recorded content type.

Implementation notes

• TransactionBodyAdapter constructor now takes two callbacks: onCopyBodyListener: () -> Unit (tap) and onCopyMenuListener: (View) -> Unit (long-press, anchor for the popup). CopyViewHolder wires both setOnClickListener and setOnLongClickListener on responseCopy. Long-click consumes the event by returning true.
• TransactionPayloadFragment replaces copyResponse() with three private helpers — copyDefault(), copyRawPayload(transaction), copyFormattedPayload(transaction) — and showCopyMenu(anchor) to inflate R.menu.chucker_copy_payload via PopupMenu. The when (payloadType) is exhaustive, no else branch, mirroring the prior code.
• New menu resource: library/src/main/res/menu/chucker_copy_payload.xml with copy_raw and copy_formatted items.
• Strings: added chucker_copy_raw, chucker_copy_formatted, and per-mode toast strings (chucker_request_copied_raw, chucker_request_copied_formatted, chucker_response_copied_raw, chucker_response_copied_formatted) in values/, values-es/, and values-ru/. Removed the now-unused chucker_request_copied / chucker_response_copied. The pre-existing chucker_copy_response is retained because chucker_transaction_item_copy.xml still uses it as the copy button's contentDescription.

Behaviour matrix

Action	Request tab	Response tab
Tap copy button	Raw requestBody	Raw responseBody
Long-press → Copy raw	Raw requestBody	Raw responseBody
Long-press → Copy formatted	getFormattedRequestBody()	getFormattedResponseBody()

Bodies that are empty are skipped (no toast, no clipboard write).

Feature video

Screen_recording_20260427_161124.mp4

Test plan

• Run ./gradlew :library:assembleDebug (project requires JDK 21 — I was unable to run this locally; CI should validate).
• Sample app: trigger a JSON request and a JSON response, then on each tab:
  • Tap copy → clipboard contains the raw body, "Raw {request,response} copied" toast appears.
  • Long-press copy → popup shows Copy raw and Copy formatted.
  • Long-press → Copy raw produces the same output as a tap.
  • Long-press → Copy formatted produces a pretty-printed version (different from the raw output when the wire body is minified).
• Repeat with an XML body and a application/x-www-form-urlencoded body to confirm the formatted path uses the right pretty-printer for each content type.
• Repeat with an empty body — no toast, no crash.
• Verify Spanish (values-es) and Russian (values-ru) toast strings render via locale switch.

🤖 Generated with Claude Code

[Copilot]

Pull request overview

Adds a long-press copy affordance on the transaction payload screen so users can explicitly copy either the raw body or a pretty-printed (“formatted”) version, while keeping the existing tap-to-copy-raw behavior.

Changes:

• Extend the payload “copy” row to support both tap (default/raw) and long-press (popup menu) actions.
• Add a popup menu to choose between copying raw vs formatted request/response bodies.
• Add new menu + localized strings for the new copy options and toast messages.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
library/src/main/kotlin/com/chuckerteam/chucker/internal/ui/transaction/TransactionPayloadFragment.kt	Wires tap-to-copy-raw and long-press popup; adds raw/formatted copy helpers and updated toast messages.
library/src/main/kotlin/com/chuckerteam/chucker/internal/ui/transaction/TransactionPayloadAdapter.kt	Adds a long-press callback on the copy button to open the popup menu.
library/src/main/res/menu/chucker_copy_payload.xml	New popup menu with “copy raw” and “copy formatted”.
library/src/main/res/values/strings.xml	Adds new copy option + toast strings; removes old generic copied strings.
library/src/main/res/values-es/strings.xml	Spanish translations for new copy option + toast strings.
library/src/main/res/values-ru/strings.xml	Russian translations for new copy option + toast strings.

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.

[cortinico]

Can you also update the CHANGELOG.md file please?