feat: explainDecision + audit search filter parity#128
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saurabhjain1592 merged 2 commits intomainfrom Apr 18, 2026
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Adds Java SDK half of ADR-043 + ADR-042. New: - DecisionExplanation, ExplainPolicy, ExplainRule DTOs in com.getaxonflow.sdk.types. Jackson @JsonIgnoreProperties(ignoreUnknown= true) for ADR-043 forward-compat with future platform fields. - AxonFlow.explainDecision(decisionId) + explainDecisionAsync calling GET /api/v1/decisions/:id/explain. URL-encodes the decision ID. Rejects null/empty with IllegalArgumentException. - AuditSearchRequest builder gains decisionId/policyName/overrideId; new JSON properties serialize only when set via @JsonInclude(NON_NULL). Version: 5.3.0 -> 5.4.0 (pom.xml). Tests (8 new, all passing via WireMock): - explainDecision: null + empty rejection, full payload parse with URL assertion, forward-compat with unknown fields. - searchAuditLogs: new filters serialize when set, absent when unset. - DTO null-safety: DecisionExplanation policyMatches defaults to empty when constructor receives null; ExplainPolicy defaults. Companion to platform v7.1.0 (axonflow-enterprise PR #1605), Go SDK v5.4.0 (PR #122), Python v6.4.0 (PR #141), TS v5.4.0 (PR #175).
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URLEncoder.encode() is application/x-www-form-urlencoded — spaces become '+' rather than '%20'. That's wrong for a path segment: the server parses the URL path segment-by-segment and '+' is a literal character there. Go / Python / TypeScript all path-encode; Java was the outlier. Fix by replacing '+' with '%20' in the URLEncoder output. That converts the form-encoded string to a valid percent-encoded path segment, with every other character (including literal '+' in the input -> '%2B') handled correctly. Two regression tests lock in the semantics.
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Summary
Java SDK half of Plugin Batch 1 (ADR-042 + ADR-043).
Companion to:
Added
AxonFlow.explainDecision(decisionId)+explainDecisionAsyncDecisionExplanation,ExplainPolicy,ExplainRuleDTOsAuditSearchRequest.BuildergainsdecisionId,policyName,overrideIdVersion: 5.3.0 → 5.4.0
Tests
8 new JUnit tests via WireMock, all passing.