Adopt NDK marketplace order flows

[pats2sats]

Summary

• Removes the Hostr-side marketplace transition adapter; order writes now record transitions through ndk.marketplace.orderTransitions directly.
• Renames the remaining Hostr-specific group service to OrderGroupVerification, keeping only proof/on-chain verification in Hostr. Generic grouping/querying now delegates to NDK marketplace orders.
• Moves the public Hostr runtime surface away from old Hostr wrappers: orderWorkflows and orderGroupVerification replace the old runtime getters, and the CLI/MCP action namespace is now hostr.orders.* / hostr_orders_*.
• Keeps Hostr responsible for the heavy app-specific pieces: H3/polygon/location enrichment, chain/Boltz/swap orchestration, escrow verification, participant proofs, and UI/workflow composition.
• Regenerates MCP action docs/types and updates AI server guidance/tests to the new order tool names.

Responsibility Split

• NDK owns marketplace protocol shapes, generic inbox parsing, order grouping, order transition construction/querying, and domain-level invalid-stage prevention.
• Hostr owns payment and escrow orchestration, Hostr participant authorization/proofs, listing location enrichment, and validation that depends on chain state or app policy.
• The inbox domain remains generic and does not know about marketplace kinds.

Validation

• dart analyze in hostr_sdk
• dart test in hostr_sdk (830 passing)
• dart analyze in hostr_cli
• dart test in hostr_cli (19 passing, 3 skipped)
• npm run test:unit in ai/mcp-server (38 passing)
• flutter analyze in app
• flutter test in app (48 passing)
• dart analyze in escrow
• dart test in escrow (6 passing)

[Copilot]

Pull request overview

This PR updates Hostr’s Dart/Flutter workspaces to use the sudonym-btc/ndk fork’s feat/ndk-marketplace branch and refreshes lockfiles to the specific NDK commit referenced in the PR description.

Changes:

• Point ndk dependency overrides (app, SDK, CLI, escrow, widgetbook workspace) to ref: feat/ndk-marketplace.
• Refresh pubspec.lock files so ndk resolves to commit 7f87e28284a5d8ed5371e2d5a12f2c9fa7dc78bc.

Reviewed changes

Copilot reviewed 5 out of 10 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
hostr_sdk/pubspec.yaml	Switch NDK git override ref to feat/ndk-marketplace.
hostr_sdk/pubspec.lock	Pin NDK resolved commit to 7f87e282….
hostr_cli/pubspec.yaml	Switch NDK git override ref to feat/ndk-marketplace.
hostr_cli/pubspec.lock	Pin NDK resolved commit to 7f87e282….
escrow/pubspec.yaml	Switch NDK git override ref to feat/ndk-marketplace.
escrow/pubspec.lock	Pin NDK resolved commit to 7f87e282….
app/widgetbook_workspace/pubspec.yaml	Switch NDK git override ref to feat/ndk-marketplace.
app/widgetbook_workspace/pubspec.lock	Pin NDK resolved commit to 7f87e282….
app/pubspec.yaml	Switch NDK git override ref to feat/ndk-marketplace.
app/pubspec.lock	Pin NDK resolved commit to 7f87e282….

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