Added a filesystem storage

[marlonbaeten]

Write events as json to a stream file, line by line.
This enables running the application on a desktop computer (without a database server).

Note that we do not yet encrypt the data, but will de so in the future.

[github-actions]

Sigrid maintainability feedback

⏸️️ Your are still below your objective of 3.5 stars.

Show details

Sigrid compared your code against the baseline of 2026-02-26.

👍 What went well?

You fixed or improved 2 refactoring candidates.

Risk	System property	Location
🟡	Unit Size (Improved)	src/store/database.rs update_in_database(Store<D>,sqlx PgPool,D Event)
🟡	Unit Interfacing (Improved)	src/store/database.rs update_in_database(Store<D>,sqlx PgPool,D Event)

👎 What could be better?

Unfortunately, 7 refactoring candidates were introduced or got worse.

Risk	System property	Location
🟠	Unit Size (Worsened)	src/store/mod.rs StorePersistence.from_storage_url(str)
🟠	Unit Size (Introduced)	src/store/filesystem.rs replay_from_file(Store<D>,Path)
🟠	Module Coupling (Worsened)	src/store/persistance.rs
🟠	Module Coupling (Worsened)	src/store/mod.rs
🟡	Unit Size (Introduced)	src/store/filesystem.rs append_once(Path,StoreEvent<E>)
🟡	Unit Complexity (Introduced)	src/store/filesystem.rs replay_from_file(Store<D>,Path)
🟡	Unit Interfacing (Introduced)	src/store/filesystem.rs update_in_filesystem(Store<D>,Path,D Event)

📚 Remaining technical debt

5 refactoring candidates didn't get better or worse, but are still present in the code you touched.

View this system in Sigrid to explore your technical debt

⭐️ Sigrid ratings

System property	System on 2026-02-26	Before changes	New/changed code
Volume	4.8	N/A	N/A
Duplication	3.6	5.5	5.5
Unit Size	3.3	2.6	2.3
Unit Complexity	4.4	5.5	4.0
Unit Interfacing	2.4	2.6	3.2
Module Coupling	4.0	0.5	0.9
Component Independence	2.7	N/A	N/A
Component Entanglement	3.0	N/A	N/A
Maintainability	3.6	3.3	3.0

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
90.6% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud