Release/0.5.0 (#35)

* feat: Introduce function-scoped variable interning for state analysis with new tests and fixtures

* feat: Add Phase 26 symbolic execution enhancements with bitwise operator support, abstract interpretation refinements, and new taint analysis tests

* feat: Refine state analysis to handle factory-pattern resource returns with mixed-path tests and leak detection enhancements

* feat: Add Phase 27 debug views with symbolic execution, abstract interpretation, SSA, and call graph viewers; integrate with debug layout and styles

* feat: Add Phase 31 type-qualified symbolic resolution with receiver-based callee disambiguation and testing

* feat: Extend symbolic execution with state iteration, enhanced debug views, and debounced input handling

* feat: Add Phase 13 resource and auth pattern extensions with new tests and fixtures

* feat: Introduce CFG debug graph renderer with compact mode, toolbar, and DAG layout integration

* feat: Add Phase 28 encoding and decoding transform modeling with structural symex enhancements and new taint analysis tests

* feat: Extend abstract interpretation with type facts and constant value tracking in debug views and server logic

* feat: Add linear path handling and witness extraction to symbolic execution with Phase 28 transform mismatch detection

* feat: Refine Go auth and sanitizer handling with enhanced rules, state updates, and benchmark improvements

* feat: Enable auth-state analysis by default and update relevant tests in benchmark config

* test: Update state_tests to reflect default enablement of auth-state analysis and add auth suppression test

* docs: update CHANGELOG.md

* feat: Introduce per-index taint tracking in `HeapState` with `HeapSlot`, overflow handling, and revised SSA transfers

* feat: Introduce C/C++ language labels and refine heap state tracking in SSA transfers

* feat: Implement per-index array slot tracking in symbolic heap with overflow collapse

* feat: Add implicit definition handling for uninitialized declarations in SSA value allocation

* feat: Refactor function parameters and constants for improved clarity and maintainability

* refactor: Reorder module imports and improve formatting for consistency

* refactor: Fix formatting erorrs

* refactor: Fix clippy warnings

* refactor: Fix fmt warnings (again)

* chore: Update dependencies and improve feature configuration

* Add comprehensive tests for undertested modules (#36) (COPILOT)

* Add comprehensive tests for undertested modules

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* Add comprehensive tests for ext, project, walk, and errors modules

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* chore: Update dependencies and improve feature configuration

* fix: formatting errors in new tests

* chore: Update license list in about.toml

* chore: made functions input inline

* chore: updated cfg graph to take up the full page

* chore: add Prettier configuration and update code formatting

* Add frontend test suite with Vitest (111 tests) (#37)

* Add Vitest test suite for frontend - 111 tests across utils, components, hooks, and graph utilities

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* ci: add frontend test step to CI workflow

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* chore: simplify array initialization in test files for consistency

* ran typecheck

* feat: add AnalysisWorkspace component and integrate it into CfgViewerPage

* feat: update routing in AppLayout and improve empty state message in ExplorerPage

* feat: enhance scan progress tracking with additional metrics and stages

* feat: update license information and add license check script

* feat: implement cross-file symbolic execution with callee body persistence

* feat: replace dagre graphs with Graphology + ELK + Sigma for more advanced call stack and cfg rendering

* feat: ensure CFG function view is scoped to the selected function, preventing bleed into sibling functions

* feat: enhance resource tracking with proxy method summaries and improve finding extraction

* feat: add terminal function exit detection for accurate resource leak analysis

* feat: add warnings for loops and functions without bodies to improve error recovery

* feat: update lambda expression handling to ensure proper function classification and control flow

* feat: remove bounded formatting/string ops and add JSON.parse sanitizer for improved data handling

* feat: add inline return taint analysis and regression tests for improved security checks

* feat: add engine version management and migration handling for database schema updates

* feat: enhance first_call_ident to skip nested function bodies and add regression tests

* feat: enhance callee name resolution with two-segment normalization and disambiguation

* feat: add cross-file context flags and debug assertions for taint analysis

* feat: refactor taint analysis structure to unify context handling and improve clarity

* feat: enhance dead code elimination to preserve Sink, Source, and Sanitizer labels with new tests

* docs: updated CHANGELOG.md

* fmt: formatting fixes

* fix: fixed frontend formatting and lint warnings

* fix: optimized ci

* fix: optimized ci

* Add comprehensive multi-file test coverage to Nyx (#38)

* Initial checklist for multi-file test suite expansion

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* Add 12 new multi-file test fixtures with TP/TN/near-miss coverage

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* deleted root repo

* rebuilt to test for regressions

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* feat: enhance import alias resolution and taint tracking

* feat: implement security hardening with CSRF protection and path validation

* feat: add support for import alias bindings in Python, PHP, and Rust

* feat: enhance CFG analysis modes and improve code readability

* feat: add detection for parameterized SQL queries to enhance security

* feat: add safe internal redirect handling and enhance session destroy validation

* feat: implement security improvements by addressing vulnerabilities in execAsync, session management, and file downloads

* feat: enhance taint detection by adding support for inline source member expressions in call arguments

* feat: implement pre-emission of Source nodes for inline source member expressions in call arguments

* feat: add support for Throw statement in control flow and error handling

* feat: add debug and echo endpoints with potential information leakage

* feat: implement internal redirect suppression and enhance taint detection

* feat: implement module alias tracking for dynamic dispatch in JS/TS

* feat: add authorization analysis module with Express support

* feat: add authorization analysis module with Express support

* feat: add tests for admin guard requirements and clean checks in authorization analysis

* feat: integrate Koa and Fastify frameworks into authorization analysis

* feat: add Flask and Django support to authorization analysis module

* feat: add support for Rails and Sinatra frameworks in authorization analysis

* feat: add support for Axum, ActixWeb, and Rocket frameworks in authorization analysis

* feat: add support for ActixWeb, Axum, and Rocket frameworks in authorization analysis

* feat: add support for Rails and Sinatra in authorization analysis

* chore: add .DS_Store to .gitignore

* refactor: simplify conditional checks and improve readability in multiple files

* refactor: update usage of Option methods for improved clarity and consistency

* refactor: improve code readability by simplifying conditional checks and formatting

* refactor: improve code formatting and readability by simplifying conditional checks

* refactor: simplify conditional checks and improve readability in multiple files

* refactor: simplify conditional checks in axum.rs for improved readability

* feat: add CodeQL analysis configuration for enhanced security scanning

* test: add comprehensive tests for `src/output.rs` SARIF builder (#39)

* chore: start test coverage improvement work

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* test: add comprehensive tests for src/output.rs SARIF builder

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* refactor: improve code formatting and readability in output.rs

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* refactor: improve code formatting and readability in output.rs

* Potential fix for code scanning alert no. 210: Uncontrolled data used in path expression

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* Potential fix for code scanning alert no. 211: Uncontrolled data used in path expression

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* refactor: enhance triage file path handling with improved error management and validation

* refactor: updated func summaries for richer detail

* refactor: update SSA summary extraction to use canonical FuncKey for distinct entries

* refactor: enhance callee metadata structure to support arity, receiver, and qualifier for better overload resolution

* refactor: add support for keyword arguments in function calls and enhance receiver extraction for method-style calls

* refactor: implement new Flask routes for safe and unsafe shell command execution

* refactor: separate receiver handling in SSA operations and enhance taint propagation

* refactor: improve arity handling by using arg_uses for positional argument count and enhance witness scoring for tainted arguments

* refactor: implement auth decorator extraction and classification for multiple languages

* refactor: enhance Rust module path resolution and use map handling for cross-file disambiguation

* refactor: introduce CalleeQuery struct for structured callee resolution and enhance resolver logic

* refactor: implement same-file identity collision handling for `runTask` to ensure correct resolver behavior

* refactor: standardize default struct initialization across multiple files

* feat: add scripts for formatting checks and auto-fixes with test summaries

* refactor: simplify character splitting and enhance namespace qualifier handling

* refactor: improve documentation clarity and enhance code readability in resolver logic

* refactor: replace default struct initialization with explicit field assignments for clarity

* feat: enhance anonymous function naming by deriving context-based bindings

* refactor: streamline match expressions for improved readability and performance

* refactor: streamline match expressions for improved readability and performance

* refactor: replace loop with while let for improved clarity and performance

* feat: add SSA constant propagation support to analysis context for improved accuracy

* feat: add SSA constant propagation support to analysis context for improved accuracy

* feat: implement shell metacharacter validation and bounded-length checks in Rust analysis

* feat: add static map analysis for command injection suppression and type safety

* refactor: simplify match statements and reduce line breaks for improved readability

* feat(summary): phase 1/5 SinkSite data model for primary sink-location attribution

Introduce SinkSite (file_rel, line, col, snippet, cap) carrying the
primary sink source-location through function summaries. Swap
SsaFuncSummary.param_to_sink and FuncSummary.param_to_sink from a coarse
Cap map to a deduped SmallVec<[SinkSite; 1]> per parameter, with a
backward-compatible cap_sites() helper and serde defaults so pre-phase-1
on-disk rows continue to deserialise cleanly.

Extraction: SinkSiteLocator bundles the tree/bytes/file_rel needed by
extract_ssa_func_summary; ParsedFile::extract_ssa_artifacts wires the
locator in for the persisted pass-1 path, while pass-2 intra-file
transient summaries fall back to cap-only sites (behavior unchanged).
Merge: GlobalSummaries::insert now unions sink sites with
(file_rel, line, col, cap) dedup via shared union_param_sink_sites
helper.

Database: JSON-serialised summary columns carry the new shape
automatically; no schema change needed.

Phase 2 will consume SinkSite in build_taint_diag() to overwrite the
caller-site Finding.line with the callee's sink line when resolved via
summary. Phase 1 keeps behavior unchanged: scanning
tests/benchmark/corpus/rust/cmdi/cmdi_indirect.rs still produces the
same (wrong) line 10 finding.

Adds round-trip tests covering SinkSite solo, SsaFuncSummary with sink
sites, legacy-JSON default handling for both summary types, and merge
dedup.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

* feat(taint): phase 2/5 thread SinkSite into SsaTaintEvent and Finding

Plumb Phase 1's SinkSite through the event pipeline into Findings,
no output change yet.  SsaTaintEvent gains `primary_sink_site:
Option<SinkSite>`; when the main or callback sink-emission path has
non-empty `param_to_sink_sites`, filter to sites whose
`(line != 0) && (cap ∩ sink_caps != ∅)` and emit one event per
distinct site — the multi-primary collapse keeps each downstream
Finding single-primary.

Resolution: ResolvedSummary and SinkInfo gain mirror
`param_to_sink_sites` fields, populated from `SsaFuncSummary.param_to_sink`
(SSA + callback paths) and `FuncSummary.param_to_sink` (global paths).
Label, local-summary, and interop resolution paths leave the field
empty — they only ever had cap-level info to begin with.

Finding: new `primary_location: Option<SinkLocation>` with
`file_rel/line/col`.  `ssa_events_to_findings` maps
`event.primary_sink_site` → `Finding.primary_location`, filtering
cap-only sites (`line == 0`) to `None` so the (0,0) sentinel never
leaks to formatters.  Dedup key extended with the primary location
so multi-site events aren't collapsed back together.

Invariants (debug_assert!):
* every SinkSite reaching emission has `line != 0 && cap ∩ sink_caps
  != ∅` — enforced by the pick_primary_sink_sites* filters;
* every populated Finding.primary_location has `line != 0` AND
  non-empty `file_rel` — the cap-only → None translation upstream
  guarantees this.

Deliberately independent of `uses_summary`: that flag tracks whether
the *taint chain* used a summary, whereas primary attribution
requires only that the *sink* itself was summary-resolved.  A local
source reaching a cross-file sink produces `uses_summary=false`
alongside a populated primary_location — documented on
Finding.primary_location, covered by
`cross_file_sink_finding_carries_primary_location`.

build_taint_diag, SARIF/JSON/explanation formatters, and the
benchmark scorer remain untouched: finding.line still comes from
`cfg_graph[finding.sink]`, so cmdi_indirect.rs still reports line 10
and the benchmark's rs-cmdi-003 row still shows FN in the LOC column.

Tests: `cross_file_sink_finding_carries_primary_location` (proves
plumbing via a synthetic FuncSummary carrying a SinkSite at 42:5) and
`cross_file_sink_cap_only_site_leaves_primary_location_none`
(regression guard against cap-only sites surfacing).  All 1566 lib
tests + integration tests pass.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat(output): phase 3/5 consume primary sink location in diag + SARIF

When a finding's primary_location (populated in phase 2 from a callee
summary's SinkSite) names the dangerous instruction inside a callee
body, attribute the diagnostic line to that location instead of the
caller's call site. The call site is demoted to a Call step in
flow_steps, and a synthetic Sink step at the primary location is
appended so analysts still see the full trace.

Changes:
- Add scan_root parameter to build_taint_diag so file_rel can be
  resolved back to an absolute path via a shared resolve_file_rel
  helper. Empty file_rel (single-file scans where namespace == "")
  resolves to the file under analysis.
- Extend SinkLocation with snippet, carried from the upstream
  SinkSite so the formatter needs no second file read.
- Relax the ssa_events_to_findings debug_assert to allow empty
  file_rel, which is valid when scan root equals the file itself.
- SARIF: emit data-flow as codeFlows[0].threadFlows[0].locations[];
  locations[0] already reflects the primary sink position via the
  updated diag line/col.

Acceptance: scan on tests/benchmark/corpus/rust/cmdi/cmdi_indirect.rs
now reports line 5 (Command::new) as the primary sink, with the call
site at line 10 visible in flow_steps.

Two expect.json fixtures updated (must_match line_range widened):
- javascript/taint/context_sensitive_call: 12-14 -> 7-14 (line 8 is
  the real sink inside run()).
- rust/cfg/closure_async: 10-10 -> 10-11 (line 11 is Command::new
  inside the closure).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat(bench): phase 4/5 validate primary sink attribution across corpus

Extend the benchmark scorer and ground truth to lock in phase 3's
primary-location behavior, and add fixtures that exercise the new
capability end-to-end.

Scorer (tests/benchmark_test.rs):
- Add optional `expected_call_site_lines: Option<Vec<[usize; 2]>>` on
  Case. When present, score_location_level additionally requires at
  least one flow_step in the finding's evidence trace to fall within
  ±2 of the call-site range. When absent, the check is skipped —
  fully forward-compatible with existing fixtures.
- Retain ±2 tolerance on expected_sink_lines (compared against the
  now-primary Diag.line post-phase-3).

Ground truth edits:
- rs-cmdi-cross-001: expected_sink_lines [8,8] -> [9,9]. Line 8 is the
  transform::wrap call site (a cross-file propagator, not a sink);
  line 9 is Command::new, the real sink. The ±2 tolerance happened to
  mask this stale attribution but it was semantically wrong — phase 4
  is the right time to correct it. Also adds expected_call_site_lines
  [8,8] so the new field is exercised on an existing cross-file case.
- rs-cmdi-003: adds expected_call_site_lines [10,10] (run_cmd call).
  This fixture's sink (Command::new inside run_cmd at line 5) was the
  motivating case for phases 1-3; adding the call-site assertion
  guards against regression to caller-line attribution.

New fixtures:
- rust/cmdi/cmdi_indirect_multisink.rs (rs-cmdi-009): helper run_both
  takes two tainted params and invokes two Command sinks on
  consecutive lines. Locks in that primary line lands inside the
  helper (lines 5-6), not at the caller (line 12). Notes document
  that SinkSite is currently one-per-callee so both findings today
  collapse onto the first sink; expected_sink_lines=[5,6] and
  expected_call_site_lines=[12,12] stay valid either way.
- python/cmdi/cross_indirect_sink/{app.py,helper.py} (py-cmdi-cross-
  004): sink os.system lives in helper.py (cross-file), caller in
  app.py reads env source and calls run_cmd. Verifies phase 3's
  cross-file primary attribution: Diag.path = helper.py, Diag.line =
  5, with app.py:7 recorded in flow_steps as a Call step.

Acceptance:
- `cargo test --test benchmark_test -- --ignored --nocapture` passes.
- rs-cmdi-003 is TP/TP/TP (the target flip FN->TP at LOC). All
  pre-existing TP/TP/TP fixtures remain TP/TP/TP; 2 new fixtures are
  TP/TP/TP.
- Aggregate rule-level: TP=158 FP=10 FN=1 TN=97, P=0.940 R=0.994
  F1=0.966 on the 266-case corpus (was TP=156 FP=10 FN=1 TN=97 on
  264 pre-phase-4, delta is the +2 new cases both resolving TP).
- Full `cargo test` green (1566 lib tests + all integration tests).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat(taint): phase 5/5 lock Finding.primary_location contract via regression test

Add a regression test in src/taint/ssa_transfer.rs that wires up a synthetic
SsaFuncSummary with a SinkSite at other.rs:42:10 and drives the three
emission stages (pick_primary_sink_sites → emit_ssa_taint_events →
ssa_events_to_findings) against a minimal caller SSA body.  Asserts the
resulting Finding.primary_location is exactly that triple.

The existing integration tests in src/taint/tests.rs cover the coarse
FuncSummary path end-to-end through analyse_file.  This test locks in the
lower-level SSA-side plumbing so a future refactor that silently drops the
site between pick → emit → findings fails here rather than only at the
benchmark layer.

Also refreshes tests/benchmark/results/latest.json (timestamp only; rs-cmdi-003
remains TP/TP/TP and the aggregate P/R/F1 are unchanged from phase 4).

Closes the primary sink-location attribution feature (phases 1-5/5):
* Phase 1 — SinkSite data model on summaries.
* Phase 2 — SinkSite threaded into SsaTaintEvent and Finding.
* Phase 3 — diag + SARIF consume primary_location.
* Phase 4 — benchmark validates primary_call_site_lines across corpus.
* Phase 5 — regression test locks the event→finding contract.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* refactor: clean up formatting and improve readability in multiple files

* refactor: simplify type definition for deduplication key in findings

* test(harness): add must_not_match expectation for FP regression guards

Extends ExpectedFinding with must_not_match field that asserts a
diagnostic must NOT fire — presence is a hard failure. Non-consuming
scan so it coexists with must_match entries on the same rule_id.
Adds forbidden_violations accumulator and updates summary line.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat(regression): update expectations to ensure must_not_match for various taint and resource leak rules

* feat: implement auto-seeding for JS/TS handler parameters to enhance taint tracking

* feat: update switch statement handling to improve control flow analysis

* feat: implement promisify alias handling for JS/TS to enhance taint tracking

* feat: enhance taint tracking by refining expectation handling and adding mode filtering

* feat: refine SQL handling in stream processing and enhance auto-seeding for handler parameters

* feat: update taint tracking rules to enforce full mode matching and improve flow analysis

* feat: enhance Ruby subshell handling to improve taint tracking and flow analysis

* feat: update xss_response expectations to refine taint flow analysis and enhance regression guarding

* feat: refine framework detection and update expectation handling for Echo and Sinatra

* feat: implement max_count for taint tracking expectations and deduplicate findings

* feat: add strict_unexpected handling for taint-unsanitised-flow in expectation files

* feat: enhance deduplication of taint-unsanitised-flow findings by collapsing based on line and severity

* feat: add strict_unexpected handling for taint-unsanitised-flow in multiple expectation files

* feat: add structural invariant checks for SSA bodies

* feat: ensure deterministic phi emission order using BTreeSet

* feat: enhance handling of terminators to ensure authoritative flow through successor edges

* feat: enhance Goto terminator handling to ensure all successors are marked executable

* feat: refactor code for improved readability and organization

* feat: simplify predicate checks and enhance readability in SSA handling

* feat: implement per-file parse timeout and enhance file size handling

* feat: migrate analysis engine toggles from environment variables to configuration file

* feat: remove unnecessary whitespace in hostile_input_tests.rs

* feat: remove unnecessary whitespace in hostile_input_tests.rs

* feat: update dependencies and enhance documentation on language maturity

* feat: enhance security headers and improve request body limits

* feat: implement sink capability bits for deduplication and enhance evidence tagging

* feat: implement dynamic activation handling for gated sinks and enhance validation logic

* feat: enhance configuration documentation and clarify inline analysis cache behavior

* feat: implement panic recovery during analysis to continue scans past errors

* feat: add expectations configuration for taint analysis and performance metrics

* feat: enhance error handling and logging during file reading and mutex locking

* feat: add cross-file body loading tests and plumbing for CF-1 phase

* feat: implement cross-file k=1 context-sensitive inline taint analysis with new tests and fixtures

* feat: implement indexed-scan parity in cross-file inline analysis with new dropdown and copy functionality

* feat: enhance classification span handling in CFG and AST for improved source attribution

* feat: add new Express routes for handling user input and telemetry data

* feat: implement ternary expression handling in CFG with diamond structure for JS/TS

* feat: implement Phase CF-3 abstract-domain transfer channels in summaries

* feat: add support for string-prefix transfer in cross-file calls and update tests

* docs: reduce RESULTS.md doc size

* feat: implement Phase CF-4 per-return-path summary decomposition with tests

* feat: update parameter handling in pass1 and refactor SsaFuncSummary initialization

* feat: implement Phase CF-5 for cross-file SCC joint fixed-point convergence with new flags and tests

* feat: implement Phase CF-6 with parameter-granularity points-to summaries and associated tests

* refactor: update comments and documentation for clarity and consistency

* style: format code for consistency and readability

* refactor: simplify verdict handling and improve edge checking logic

* refactor: optimize path and identifier collection by avoiding unnecessary cloning

* chore: update Cargo.toml for Rust version 1.85 and add ignored files; modify CHANGELOG and README for clarity on state analysis defaults

* refactor: update documentation and improve clarity in configuration files

* refactor: update documentation and improve clarity in configuration files

* feat: add JS/TS pass-2 convergence tests and expectations configuration

* feat: add Phase 5 regression tests for inline cache origin attribution and update related logic

* feat: implement Phase 7 deduplication and alternative path linking for taint findings

* feat: implement structural DFS index for anonymous functions and update naming conventions

* feat: add Phase 8 regression tests for container-element taint in JS and Python

* feat: add engine-depth profiles and explain-engine option for CLI

* feat: update expectations and add new README fixtures for multi-file scan regression

* feat: implement Phase 11 callback-alias and factory patterns with regression tests

* feat: implement Terminator::Switch for multi-way dispatch and add regression tests

* feat: add real-CVE benchmark fixtures for CVE-2023-48022, CVE-2019-14939, and CVE-2023-26159 with corresponding patched variants

* refactor: extract cfg and ssa_transfer to submodules

* refactor: cargo fmt

* refactor: remove unnecessary blank line in cfg_tests.rs

* refactor: remove unnecessary planning file

* chore: update Rust version to 1.88 and bump dependencies in Cargo files

* feat: enhance triage UI with new layout and controls, update README for clarity

* feat: enhance triage UI with new layout and controls, update README for clarity

* chore: remove outdated section from README for version 0.5.0

* docs: improve clarity and consistency in README content

* chore: add "GPL-3.0-or-later" to license options in about.toml

* chore: update license handling in about.toml and check-licenses.mjs

* style: format code for improved readability in TriagePage component

* style: format code for improved readability in TriagePage component

* chore: enhance license handling and improve body_id scoping in seed lookup

* feat: introduce owner and parent body IDs for enhanced seed scoping

* feat: implement direction-aware engine provenance with new CLI flag for strict CI gating

* feat: add Undef SSA operation for improved control-flow handling

* style: improve code formatting for consistency and readability in multiple files

* feat: add 16-function chain SCC across multiple files for enhanced analysis

* style: simplify code formatting for improved readability in multiple files

* fix: update CapHitReason default implementation and improve README clarity

* docs: enhance README with detailed explanations of taint analysis and limitations

* docs: refine README for clarity and consistency in taint analysis section

* style: improve code formatting for better readability in NewScanModal and scans

* fix: update cargo-about command to use --offline for deterministic license generation

* fix: update cargo-about command to use --offline for deterministic license generation

* ci: add step to prime cargo registry cache for deterministic license generation

* feat: add support for non-sink collections in authorization analysis

* feat: enhance authorization checks with row-level ownership equality and binding tracking

* feat: implement self-scoped user handling and enhance ownership checks

* refactor: simplify assertions and formatting in authorization analysis tests

* fix: normalize line endings in THIRDPARTY-LICENSES.html generation and update README with AI disclosure

* docs: update AI disclosure section for clarity and conciseness

* feat: add AI Contribution Policy and update contributing guidelines for AI assistance disclosure

* feat: enhance authorization analysis with SSA-derived variable type classification

* feat: implement auth_finding_to_diag function for enhanced security diagnostics

* feat: add args_value_refs to CallSite struct for enhanced argument tracking

* feat: add args_value_refs to CallSite struct for enhanced argument tracking

* feat: add direction-aware engine provenance with LossDirection classification and new CLI flag

* feat: simplify strip_cap_from_call_args call by removing unnecessary line breaks

* feat: enhance error message handling in cli_validation_tests for better Windows compatibility

* feat: optimize release profile settings in Cargo.toml and update CodeQL configuration

* feat: enhance release build process with SBOM generation and SLSA provenance

* feat: update actions/checkout and actions/setup-node to v6, enhance CLI options, and improve auth-check summaries

* feat: introduce PathFact handling for path safety checks and rejection logic

* feat: introduce PathFact handling for path safety checks and rejection logic

* feat: update benchmark data and enhance path sanitization logic with new safety checks

* feat: document AI assistance in frontend UI development and human review process

* feat: add return path facts for enhanced path safety checks and update documentation

* chore: update release date for version 0.5.0 in CHANGELOG.md

* chore: clean up ci.yml by removing outdated comments and clarifying steps

* feat: implement cross-language path sanitizers and validators for enhanced security

* feat: enhance SSA value usage tracking by including block terminators and improve path safety checks

* feat: enhance switch statement handling by adding per-case path constraints and support for exclusive cases

* refactor: simplify conditional formatting and improve code readability in executor and lower modules

* feat: add vulnerable examples for various languages demonstrating authentication and sanitization issues

* feat: enhance actor context recognition for self-actor identifiers and add support for global non-sink receivers

* feat: enhance actor context recognition for self-actor identifiers and add support for global non-sink receivers

* feat: add transform classifiers for Java, Go, and Ruby with corresponding tests

* refactor: clarify comments on reassign-to-constant idiom and sink behavior in guards.rs

---------

Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com>
Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>
Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>

frontend/src/utils/findingMarkdown.ts

@@ -0,0 +1,205 @@
+import type {
+  FindingView,
+  Evidence,
+  FlowStep,
+  SpanEvidence,
+  CodeContextView,
+  RelatedFindingView,
+} from '../api/types';
+import { parseNoteText } from './parseNote';
+
+function firstLine(s: string): string {
+  const nl = s.indexOf('\n');
+  return nl === -1 ? s : s.slice(0, nl);
+}
+
+function fence(lang: string | undefined, body: string): string {
+  const hint = (lang || '').toLowerCase();
+  return `\`\`\`${hint}\n${body}\n\`\`\``;
+}
+
+function formatSpan(s: SpanEvidence, lang: string | undefined): string {
+  const header = `\`${s.path}:${s.line}:${s.col}\` (kind: ${s.kind})`;
+  if (!s.snippet) return header;
+  return `${header}\n${fence(lang, s.snippet)}`;
+}
+
+function formatEvidence(ev: Evidence, lang: string | undefined): string {
+  const parts: string[] = [];
+
+  if (ev.explanation) {
+    parts.push(`### Explanation\n${ev.explanation}`);
+  }
+
+  const hasSpans =
+    ev.source ||
+    ev.sink ||
+    (ev.guards && ev.guards.length > 0) ||
+    (ev.sanitizers && ev.sanitizers.length > 0) ||
+    ev.state;
+
+  if (hasSpans) {
+    const lines: string[] = ['### Evidence'];
+    if (ev.source) {
+      lines.push(`**Source** — ${formatSpan(ev.source, lang)}`);
+    }
+    if (ev.sink) {
+      lines.push(`**Sink** — ${formatSpan(ev.sink, lang)}`);
+    }
+    if (ev.source || ev.sink) {
+      if (!ev.guards || ev.guards.length === 0) {
+        lines.push(`**Guards**: none`);
+      } else {
+        lines.push(`**Guards**:`);
+        for (const g of ev.guards) {
+          lines.push(`- ${formatSpan(g, lang)}`);
+        }
+      }
+      if (!ev.sanitizers || ev.sanitizers.length === 0) {
+        lines.push(`**Sanitizers**: none`);
+      } else {
+        lines.push(`**Sanitizers**:`);
+        for (const s of ev.sanitizers) {
+          lines.push(`- ${formatSpan(s, lang)}`);
+        }
+      }
+    }
+    if (ev.state) {
+      const st = ev.state;
+      const subj = st.subject ? ` ${st.subject}:` : '';
+      lines.push(
+        `**State**: ${st.machine} —${subj} ${st.from_state} → ${st.to_state}`,
+      );
+    }
+    parts.push(lines.join('\n'));
+  }
+
+  if (ev.confidence_limiters && ev.confidence_limiters.length > 0) {
+    const lines: string[] = ['**Confidence limiters**:'];
+    for (const l of ev.confidence_limiters) lines.push(`- ${l}`);
+    parts.push(lines.join('\n'));
+  }
+
+  return parts.join('\n\n');
+}
+
+function formatFlow(steps: FlowStep[]): string {
+  const lines: string[] = [`### Flow (${steps.length} steps)`];
+  for (const s of steps) {
+    const segs: string[] = [`${s.step}. **${s.kind}** \`${s.file}:${s.line}\``];
+    if (s.snippet) segs.push(`— \`${s.snippet}\``);
+    if (s.variable) segs.push(`(var \`${s.variable}\`)`);
+    if (s.callee) segs.push(`(callee \`${s.callee}\`)`);
+    if (s.is_cross_file) segs.push(`[cross-file]`);
+    lines.push(segs.join(' '));
+  }
+  return lines.join('\n');
+}
+
+function formatCodeContext(
+  cc: CodeContextView,
+  lang: string | undefined,
+): string {
+  const width = String(cc.start_line + cc.lines.length - 1).length;
+  const body = cc.lines
+    .map((line, i) => {
+      const ln = cc.start_line + i;
+      const marker = ln === cc.highlight_line ? '>' : ' ';
+      return `${String(ln).padStart(width, ' ')}${marker} ${line}`;
+    })
+    .join('\n');
+  return `### Code context (lines ${cc.start_line}–${
+    cc.start_line + cc.lines.length - 1
+  }, highlight line ${cc.highlight_line})\n${fence(lang, body)}`;
+}
+
+function formatRelated(related: RelatedFindingView[]): string {
+  const lines: string[] = ['### Related findings'];
+  for (const r of related) {
+    lines.push(
+      `- \`#${r.index}\` \`${r.rule_id}\` — \`${r.path}:${r.line}\` (${r.severity})`,
+    );
+  }
+  return lines.join('\n');
+}
+
+export function findingToMarkdown(f: FindingView): string {
+  const lang = f.language;
+  const heading = firstLine(f.message || '').trim() || f.category;
+  const parts: string[] = [];
+
+  parts.push(`## ${f.rule_id} — ${heading}`);
+
+  const meta: string[] = [];
+  meta.push(`- **Rule**: \`${f.rule_id}\` (category: \`${f.category}\`)`);
+  meta.push(
+    `- **Severity**: ${f.severity} | **Confidence**: ${f.confidence ?? 'unknown'}`,
+  );
+  meta.push(`- **Location**: \`${f.path}:${f.line}:${f.col}\``);
+  meta.push(`- **Language**: ${f.language ?? 'unknown'}`);
+  meta.push(
+    `- **Status**: ${f.status} | **Triage**: ${f.triage_state || 'open'}`,
+  );
+  meta.push(`- **Fingerprint**: \`${f.fingerprint}\``);
+  if (f.sanitizer_status) {
+    meta.push(`- **Sanitizer status**: ${f.sanitizer_status}`);
+  }
+  parts.push(meta.join('\n'));
+
+  if (f.message) {
+    parts.push(`### Message\n${f.message}`);
+  }
+
+  if (f.evidence) {
+    const ev = formatEvidence(f.evidence, lang);
+    if (ev) parts.push(ev);
+
+    if (f.evidence.flow_steps && f.evidence.flow_steps.length > 0) {
+      parts.push(formatFlow(f.evidence.flow_steps));
+    }
+  }
+
+  if (f.code_context) {
+    parts.push(formatCodeContext(f.code_context, lang));
+  }
+
+  if (f.labels && f.labels.length > 0) {
+    const lines: string[] = ['### Labels'];
+    for (const [k, v] of f.labels) lines.push(`- \`${k}\`: \`${v}\``);
+    parts.push(lines.join('\n'));
+  }
+
+  if (f.evidence?.notes && f.evidence.notes.length > 0) {
+    const lines: string[] = ['### Notes'];
+    for (const n of f.evidence.notes) lines.push(`- ${parseNoteText(n)}`);
+    parts.push(lines.join('\n'));
+  }
+
+  if (f.triage_note) {
+    parts.push(`### Triage note\n${f.triage_note}`);
+  }
+
+  if (
+    f.confidence &&
+    (f.rank_score != null || (f.rank_reason && f.rank_reason.length > 0))
+  ) {
+    const lines: string[] = ['### Confidence reasoning'];
+    if (f.rank_score != null) lines.push(`Score: ${f.rank_score.toFixed(1)}`);
+    if (f.rank_reason && f.rank_reason.length > 0) {
+      for (const [k, v] of f.rank_reason) lines.push(`- **${k}**: ${v}`);
+    }
+    parts.push(lines.join('\n'));
+  }
+
+  if (f.related_findings && f.related_findings.length > 0) {
+    parts.push(formatRelated(f.related_findings));
+  }
+
+  return parts.join('\n\n');
+}
+
+export function findingsToMarkdown(fs: FindingView[]): string {
+  const header = `# Nyx findings (${fs.length})`;
+  if (fs.length === 0) return `${header}\n\n(none)`;
+  return [header, ...fs.map(findingToMarkdown)].join('\n\n---\n\n');
+}

frontend/src/utils/formatDate.ts

@@ -0,0 +1,47 @@
+/**
+ * Format an ISO date string into a short "M/D H:MM" form suitable for chart labels.
+ */
+export function formatShortDate(isoStr: string | undefined | null): string {
+  if (!isoStr) return '';
+  try {
+    const d = new Date(isoStr);
+    return `${d.getMonth() + 1}/${d.getDate()} ${d.getHours()}:${String(d.getMinutes()).padStart(2, '0')}`;
+  } catch {
+    return '';
+  }
+}
+
+/**
+ * Return a human-readable relative time string (e.g. "3 minutes ago", "2 days ago").
+ */
+export function relTime(isoStr: string | undefined | null): string {
+  if (!isoStr) return '';
+  try {
+    const d = new Date(isoStr);
+    const now = Date.now();
+    const diffMs = now - d.getTime();
+    if (diffMs < 0) return 'just now';
+
+    const seconds = Math.floor(diffMs / 1000);
+    if (seconds < 60) return seconds <= 1 ? 'just now' : `${seconds}s ago`;
+
+    const minutes = Math.floor(seconds / 60);
+    if (minutes < 60)
+      return minutes === 1 ? '1 minute ago' : `${minutes} minutes ago`;
+
+    const hours = Math.floor(minutes / 60);
+    if (hours < 24) return hours === 1 ? '1 hour ago' : `${hours} hours ago`;
+
+    const days = Math.floor(hours / 24);
+    if (days < 30) return days === 1 ? '1 day ago' : `${days} days ago`;
+
+    const months = Math.floor(days / 30);
+    if (months < 12)
+      return months === 1 ? '1 month ago' : `${months} months ago`;
+
+    const years = Math.floor(months / 12);
+    return years === 1 ? '1 year ago' : `${years} years ago`;
+  } catch {
+    return '';
+  }
+}

frontend/src/utils/parseNote.ts

@@ -0,0 +1,23 @@
+export function parseNoteText(note: string): string {
+  if (note.startsWith('source_kind:')) {
+    const kind = note.split(':')[1];
+    const readable: Record<string, string> = {
+      UserInput: 'User Input',
+      EnvironmentConfig: 'Environment/Config',
+      Database: 'Database',
+      FileSystem: 'File System',
+      CaughtException: 'Caught Exception',
+      Unknown: 'Unclassified',
+    };
+    return `Source type: ${readable[kind] || kind}`;
+  }
+  if (note.startsWith('hop_count:'))
+    return `Path length: ${note.split(':')[1]} blocks`;
+  if (note === 'uses_summary') return 'Uses cross-file summary';
+  if (note === 'path_validated') return 'Path has validation guard';
+  if (note.startsWith('cap_specificity:'))
+    return `Cap specificity: ${note.split(':')[1]}`;
+  if (note.startsWith('degraded:'))
+    return `Degraded analysis: ${note.split(':')[1]}`;
+  return note;
+}

frontend/src/utils/syntaxHighlight.ts

@@ -0,0 +1,145 @@
+interface SyntaxRules {
+  keywords: RegExp;
+  strings: RegExp;
+  comments: RegExp;
+  numbers: RegExp;
+}
+
+const MAX_HIGHLIGHT_INPUT_CHARS = 20_000;
+
+const SYNTAX_RULES: Record<string, SyntaxRules> = {
+  javascript: {
+    keywords:
+      /\b(const|let|var|function|return|if|else|for|while|do|switch|case|break|continue|new|this|class|extends|import|export|from|default|try|catch|finally|throw|async|await|yield|typeof|instanceof|in|of|null|undefined|true|false)\b/g,
+    strings: /(["'`])(?:(?!\1|\\).|\\.)*?\1/g,
+    comments: /(\/\/.*$|\/\*[\s\S]*?\*\/)/gm,
+    numbers: /\b(\d+\.?\d*(?:e[+-]?\d+)?)\b/gi,
+  },
+  python: {
+    keywords:
+      /\b(def|class|return|if|elif|else|for|while|import|from|as|try|except|finally|raise|with|yield|lambda|pass|break|continue|and|or|not|in|is|None|True|False|self|async|await|global|nonlocal)\b/g,
+    strings:
+      /("""[\s\S]*?"""|'''[\s\S]*?'''|"(?:[^"\\]|\\.)*"|'(?:[^'\\]|\\.)*')/g,
+    comments: /(#.*$)/gm,
+    numbers: /\b(\d+\.?\d*(?:e[+-]?\d+)?)\b/gi,
+  },
+  go: {
+    keywords:
+      /\b(func|return|if|else|for|range|switch|case|default|break|continue|go|defer|select|chan|map|struct|interface|package|import|var|const|type|nil|true|false|make|new|append|len|cap|error)\b/g,
+    strings: /(["'`])(?:(?!\1|\\).|\\.)*?\1/g,
+    comments: /(\/\/.*$|\/\*[\s\S]*?\*\/)/gm,
+    numbers: /\b(\d+\.?\d*(?:e[+-]?\d+)?)\b/gi,
+  },
+  java: {
+    keywords:
+      /\b(public|private|protected|static|final|abstract|class|interface|extends|implements|return|if|else|for|while|do|switch|case|break|continue|new|this|super|try|catch|finally|throw|throws|import|package|void|int|long|double|float|boolean|char|byte|short|String|null|true|false|instanceof|synchronized|volatile|transient)\b/g,
+    strings: /(["'])(?:(?!\1|\\).|\\.)*?\1/g,
+    comments: /(\/\/.*$|\/\*[\s\S]*?\*\/)/gm,
+    numbers: /\b(\d+\.?\d*(?:e[+-]?\d+)?[lLfFdD]?)\b/g,
+  },
+  rust: {
+    keywords:
+      /\b(fn|let|mut|const|static|return|if|else|for|while|loop|match|break|continue|use|mod|pub|crate|self|super|struct|enum|impl|trait|where|type|as|in|ref|move|async|await|unsafe|extern|dyn|true|false|None|Some|Ok|Err|Self)\b/g,
+    strings: /(["'])(?:(?!\1|\\).|\\.)*?\1/g,
+    comments: /(\/\/.*$|\/\*[\s\S]*?\*\/)/gm,
+    numbers: /\b(\d+\.?\d*(?:e[+-]?\d+)?(?:_\d+)*[uif]?\d*)\b/g,
+  },
+  php: {
+    keywords:
+      /\b(function|return|if|else|elseif|for|foreach|while|do|switch|case|break|continue|class|extends|implements|new|public|private|protected|static|echo|print|require|include|use|namespace|try|catch|finally|throw|null|true|false|array|isset|empty|unset)\b/g,
+    strings: /(["'])(?:(?!\1|\\).|\\.)*?\1/g,
+    comments: /(\/\/.*$|#.*$|\/\*[\s\S]*?\*\/)/gm,
+    numbers: /\b(\d+\.?\d*(?:e[+-]?\d+)?)\b/gi,
+  },
+  ruby: {
+    keywords:
+      /\b(def|end|class|module|return|if|elsif|else|unless|for|while|until|do|begin|rescue|ensure|raise|yield|block_given\?|require|include|extend|attr_accessor|attr_reader|attr_writer|self|nil|true|false|and|or|not|in|then|when|case)\b/g,
+    strings: /(["'])(?:(?!\1|\\).|\\.)*?\1/g,
+    comments: /(#.*$)/gm,
+    numbers: /\b(\d+\.?\d*(?:e[+-]?\d+)?)\b/gi,
+  },
+  c: {
+    keywords:
+      /\b(int|char|float|double|void|long|short|unsigned|signed|const|static|extern|struct|union|enum|typedef|return|if|else|for|while|do|switch|case|break|continue|goto|sizeof|NULL|true|false|include|define|ifdef|ifndef|endif)\b/g,
+    strings: /(["'])(?:(?!\1|\\).|\\.)*?\1/g,
+    comments: /(\/\/.*$|\/\*[\s\S]*?\*\/)/gm,
+    numbers: /\b(\d+\.?\d*(?:e[+-]?\d+)?[uUlLfF]*)\b/g,
+  },
+};
+
+// Aliases
+SYNTAX_RULES.typescript = SYNTAX_RULES.javascript;
+SYNTAX_RULES['c++'] = SYNTAX_RULES.c;
+
+interface Token {
+  start: number;
+  end: number;
+  cls: string;
+  text: string;
+}
+
+/**
+ * Apply simple regex-based syntax highlighting to already-escaped HTML.
+ * Returns HTML string with `<span class="tok-*">` wrappers.
+ */
+export function highlightSyntax(escapedHtml: string, lang: string): string {
+  const rules = SYNTAX_RULES[lang];
+  if (!rules || escapedHtml.length > MAX_HIGHLIGHT_INPUT_CHARS)
+    return escapedHtml;
+
+  const tokens: Token[] = [];
+
+  const addTokens = (regex: RegExp, cls: string) => {
+    regex.lastIndex = 0;
+    let m: RegExpExecArray | null;
+    while ((m = regex.exec(escapedHtml)) !== null) {
+      tokens.push({
+        start: m.index,
+        end: m.index + m[0].length,
+        cls,
+        text: m[0],
+      });
+    }
+  };
+
+  // Order matters: comments first (highest priority), then strings, then keywords/numbers
+  addTokens(rules.comments, 'tok-comment');
+  addTokens(rules.strings, 'tok-string');
+  addTokens(rules.keywords, 'tok-keyword');
+  addTokens(rules.numbers, 'tok-number');
+
+  // Sort by start position
+  tokens.sort((a, b) => a.start - b.start);
+
+  // Remove overlapping tokens (earlier/higher-priority wins)
+  const filtered: Token[] = [];
+  let lastEnd = 0;
+  for (const t of tokens) {
+    if (t.start >= lastEnd) {
+      filtered.push(t);
+      lastEnd = t.end;
+    }
+  }
+
+  // Build result
+  let result = '';
+  let pos = 0;
+  for (const t of filtered) {
+    result += escapedHtml.slice(pos, t.start);
+    result += `<span class="${t.cls}">${t.text}</span>`;
+    pos = t.end;
+  }
+  result += escapedHtml.slice(pos);
+  return result;
+}
+
+/**
+ * Escape a raw string for safe insertion as HTML.
+ */
+export function escapeHtml(text: string): string {
+  return text
+    .replace(/&/g, '&amp;')
+    .replace(/</g, '&lt;')
+    .replace(/>/g, '&gt;')
+    .replace(/"/g, '&quot;');
+}

frontend/src/utils/truncPath.ts

@@ -0,0 +1,8 @@
+/**
+ * Truncate a file path to maxLen characters, keeping the tail and prefixing with "...".
+ */
+export function truncPath(p: string | undefined | null, maxLen = 60): string {
+  if (!p) return '';
+  if (p.length <= maxLen) return p;
+  return '...' + p.slice(-(maxLen - 3));
+}