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Omarchy
ProbeLabsviewing a historical runA proof layer — requirements, tests and verified fixes — for two of Omarchy's subsystems: the application menu (launcher scripts, QML model, JSONC config, search and selection) and the lock screen (lock scripts, QML, PAM authentication). Scope is deliberately limited to those components of omacom/omarchy; the rest of the distribution is not covered.
When the JSONC stripper sees a comma, it drops the comma only when the comma sits outside each string literal.
Specification
The requirement exactly as authored — its complete prose text and, where present, the formal FRETish sentence it compiles to.
When the JSONC stripper sees a comma, it drops the comma only when the comma sits outside each string literal. The next non-whitespace character after the comma must be a closing brace or bracket. A comma inside a string literal is data and stays unchanged.
the menu_model shall always satisfy trailing_comma_dropped <=> (!comma_in_string & next_char_closes_json)
Rationale & tags
Why this requirement exists, and how it is categorised.
Rationale & tags
Why this requirement exists, and how it is categorised.
MenuModel.js stripJsonc uses a string-aware single-pass scanner. The pre-fix string-blind regex corrupted labels such as "x, ]y" while the parse still succeeded.
Verification & provenance
How this requirement was checked: the review trail, edit history, and the machine-analysis status terms (each ⓘ explains what it means).
Review
- Status
- in_review
- Reviewer
- Kimi Fix Jsonc Refresh · AI agent
- Reviewed
- Sep 27, 2026, 19:16 UTC
History
- Created
- Sep 27, 2026, 15:24 UTC · Leonid Bugaev
- Modified
- Sep 27, 2026, 19:20 UTC · Kimi Fix Jsonc Refresh · AI agent
Hazard review
- scenarioreviewedmalformed_inputboundaryedge_case
malformed_input: JSONC trailing commas are legal-but-non-JSON input the stripper must normalize WITHOUT touching string-literal bytes. Both FMEA modes (label corruption; silently mutated user-privilege command, e.g. mv f{.bak,} / awk '{print $1, }') lived here pre-fix. The equivalence formula and witnessed rows now forbid them. boundary: the stripper drops a comma at EOF with no closing byte (lenient row, witnessed). edge_case: escaped quote before comma+closer inside a string ('a", ]b') witnessed verbatim.
- propertyrevieweddeterminism
The scanner is a single left-to-right pass with no environment, ordering, or timing inputs. Identical bytes always strip identically. A 20k-case differential fuzz against an independent reference scanner found 0 mismatches (2026-09-27).
- domainnot applicable
No domain workload tags (HTTP/crypto/IPC frameworks); the component parses a local user-authored config file into a menu model.
- structuralnot applicable
Implementation is GC'd JavaScript (QML JS engine). No manual memory, pointer arithmetic, binary framing, or format strings exist here. The structural catalog targets C-family hazards that cannot exist here.
Change history
Every recorded revision of this requirement's source file — newest first, each with its commit message and the diff for that change.
Review history
Human and AI-agent approvals of this requirement — the 'why was this approved' lineage, each with the reviewer's justification and the code it cites.
- UnknownApprovedSpec conformanceSep 27, 2026 · 6 days agoREVIEW-21
Equivalence formula matches the stripJsonc scanner: a comma is dropped iff it sits outside every string literal and the next non-whitespace byte is a closing brace or bracket; string-literal commas are copied verbatim. The three predicate-violated rows are unreachable in a correct build: the scanner drops only before }/], always drops there when outside a string, and never drops inside a string.
Cited code (2)
Obligations
What this requirement must witness to be considered satisfied — the required evidence, and the tests that discharge each one.
1 obligation
Browse the catalogueFMEA mode (a): the stripper silently corrupts a label like "x, ]y" to "x ]y" while the parse still succeeds - the user sees a wrong row name. FMEA mode (b), the realistic payload: an action such as mv f{.bak,} or awk '{print $1, }' loses its in-string comma to the string-blind strip. The MUTATED command then runs with the user's full privileges on row activation. mv loses its brace expansion and targets a literal filename; awk silently changes output format for downstream pipelines. No error surfaces in either mode because JSON.parse accepts the stripped text; the corruption is invisible until the command misbehaves. Fixed on this branch by the string-aware scanner; the grading records the pre-fix worst case this requirement now forbids.
Discharging tests pending a synced audit.
Formula evidence
The formal formula behind this requirement, the variables it is written over, and the tests that exercise it (each term is explained inline).
Formula evidence
The formal formula behind this requirement, the variables it is written over, and the tests that exercise it (each term is explained inline).
FRETish formula
the menu_model shall always satisfy trailing_comma_dropped <=> (!comma_in_string & next_char_closes_json)
Variables
| Name | Type | Direction | Description |
|---|---|---|---|
| comma_in_string | — | The comma sits inside a JSON string literal. | |
| next_char_closes_json | — | The next non-whitespace character after the comma is } or ]. | |
| trailing_comma_dropped | — | The comma is dropped from the stripped JSON before parsing. |
Witnesses· 2 scenarios total
- menu-test.sh:1exercises 2 condition scenarios
MC/DC truth table· 5 rows
Each row assigns the formula's conditions (T/F) and shows the Result— the formula's value for that input row, not a test pass/fail. A row proves a condition when flipping only that condition flips the outcome. The test that covers each row is linked.
mcdc:ignoreNo-actionfalse-result row satisfied by designUncoveredneeds a covering test| # | comma_in_string | next_char_closes_json | trailing_comma_dropped | Result | Proves | Covering test |
|---|---|---|---|---|---|---|
| 1 | F | F | F | T | next_char_closes_json | |
| 2 | F | F | T | F | trailing_comma_dropped | — |
| 3 | F | T | F | F | next_char_closes_json | — |
| 4 | F | T | T | T | comma_in_string | |
| 5 | T | T | T | F | comma_in_string | — |
Its place
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Trace evidence
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No findings affect this requirement
Nothing was flagged against this requirement in the pinned run.
Impact
Blast radius — authored trace links only (automatically derived links come from the audit index and aren't shown here).
Impact
Blast radius — authored trace links only (automatically derived links come from the audit index and aren't shown here).
If you change this
Nothing downstream depends on this yet
No downstream impact — "When the JSONC stripper sees a comma, it drops the comma…" has no downstream edges.
What this rests on
Discussions
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