feat: Added chain generating for debank apps

[Vinsho]

No description provided.

[Copilot]

Pull request overview

Adds chain attribution for DeBank “apps” parsing and switches deposit token parsing to a typed token model so downstream consumers can reliably access token fields.

Changes:

• Introduced DEBANK_APP_CHAIN_MAP and used it to populate a chain: Blockchain field on parsed DebankPrediction and DebankAppDeposit.
• Replaced raw dict token handling for app deposits with a new typed DebankDepositToken model and updated parsing to use asset_token_list.
• Updated app parser tests to assert chain and typed token access.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
blockapi/v2/models.py	Adds DebankDepositToken, types app deposit tokens, and adds chain to app-level parsed models.
blockapi/v2/api/debank_maps.py	Adds an app-id → chain mapping used during app parsing.
blockapi/v2/api/debank.py	Threads chain through app parsing into deposits and predictions; switches deposit token extraction to asset_token_list.
blockapi/test/v2/api/debank/test_debank_fetch.py	Adds an integration test stub for fetching apps (but currently not asserting).
blockapi/test/v2/api/debank/test_debank_app_parser.py	Extends parser tests to assert chain and typed token access.

---

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

[Copilot]

asset_token_list uses a mutable default (=[]) on a Pydantic model. This can lead to shared state between instances and unexpected cross-test/request contamination. Prefer Field(default_factory=list) (or make it Optional[...] = None and normalize at use sites).

[Copilot]

test_fetch_usage contains assert False, which will always fail when integration tests are enabled. Either implement the test (assert on the response / save fixture data) or mark it as skipped/xfail so it doesn’t break CI runs that include integration tests.

Suggested change

	def test_fetch_usage():
	assert False
	@pytest.mark.skip(reason="Pending implementation of fetch_usage integration test")
	def test_fetch_usage():
	pass

[Copilot]

test_fetch_debank_apps currently discards the fetched response and just passes, so it won’t detect regressions and may still hit the external API. Add at least a minimal assertion on the returned payload (or reuse _save(...) like the other integration tests), or remove the test until it has meaningful checks.