feat: simplify onchain receive routing

[im-adithya]

This brings the on-chain receive from on-chain/other crypto screen to the main Receive screen so that we can navigate easily with the new on-chain mode

Summary by CodeRabbit

Release Notes

• New Features

  • Added on-chain Bitcoin receiving with QR code generation and transaction monitoring.
  • Added lightning address receiving interface with dedicated navigation options.
  • Introduced tabbed receive interface to switch between spending and on-chain receiving flows.

• Refactor

  • Reorganized receive flow routes to use query parameters for improved navigation structure.

[coderabbitai]

Caution

Review failed

Pull request was closed or merged during review

📝 Walkthrough

Walkthrough

This PR restructures the on-chain receive flow by changing URL routing from path-based to query-parameter-based, creating dedicated components for on-chain and spending receive flows, refactoring the main Receive screen to use tab-based UI, and simplifying ReceiveOnchain to focus on swap flows.

Changes

Cohort / File(s)	Summary
Navigation Route Updates frontend/src/components/CommandPalette.tsx, frontend/src/components/OnchainTransactionsList.tsx, frontend/src/screens/wallet/Onchain.tsx	Updated on-chain receive navigation routes from /wallet/receive/onchain to /wallet/receive?type=onchain (query-parameter-based routing).
New Receive Components frontend/src/components/ReceiveToOnchain.tsx, frontend/src/components/ReceiveToSpending.tsx	Added new components: ReceiveToOnchain generates on-chain Bitcoin addresses, monitors mempool UTXOs, and renders QR code with state transitions (loading → address → pending → success); ReceiveToSpending displays lightning address QR code with copy/invoice/offer navigation options.
Receive Screen Refactoring frontend/src/screens/wallet/Receive.tsx, frontend/src/screens/wallet/receive/ReceiveOnchain.tsx	Refactored Receive.tsx to implement tab-based UI controlled by type query parameter, delegating on-chain and spending flows to dedicated components; simplified ReceiveOnchain.tsx by removing on-chain receive UI and retaining only the spend-to-receive swap flow logic.

Estimated code review effort

🎯 4 (Complex) | ⏱️ ~60 minutes

Possibly related PRs

• feat(frontend): wallet on-chain mode #2217: Modifies wallet receive/onchain flows and routing through ReceiveOnchain/ReceiveToOnchain components and search-param handling.
• fix: detect confirmed onchain deposits after tab switch #2092: Modifies on-chain receive logic for detecting confirmed UTXOs using startTimeRef timestamp in the same receive files.
• chore: add other cryptocurrency to onchain receive button #2210: Modifies the Receive UI button/label and refactors the receive flow with similar architectural changes.

Suggested reviewers

• rolznz
• reneaaron

Poem

🐰 Refactoring hops through the receive cascade,
Paths transform to params in query's parade,
Components extracted, states dance anew,
ReceiveToOnchain spins mempool's debut! ✨

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title directly describes the main change: simplifying onchain receive routing from path-based to query-parameter-based routes.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feat/wallet-onchain-follow-up

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