Initial commit: trueref v0.1.0-SNAPSHOT

Java 21 / Spring Boot 3.5.3 multi-module Maven project.
Hybrid BM25+HNSW search with RRF, cross-encoder reranker,
ONNX Runtime 1.22.0 (CPU + CUDA 12 GPU variants).

trueref-adapters/src/main/resources/db/migration/V1__init_schema.sql

@@ -0,0 +1,67 @@
+-- trueref schema V1
+-- All UUIDs stored as CHAR(36) for H2 portability.
+
+CREATE TABLE repositories (
+    id                       CHAR(36)      PRIMARY KEY,
+    name                     VARCHAR(512)  NOT NULL UNIQUE,
+    remote_url               VARCHAR(2048) NULL,
+    local_path               VARCHAR(2048) NOT NULL,
+    managed_clone            BOOLEAN       NOT NULL,
+    ignore_globs             CLOB          NOT NULL,        -- JSON array of strings
+    max_file_size_bytes      BIGINT        NOT NULL,
+    poll_interval_seconds    BIGINT        NOT NULL,
+    tag_cap                  INT           NOT NULL,
+    version_mapping_rules    CLOB          NOT NULL,        -- JSON array of TagPattern
+    created_at               TIMESTAMP(9) WITH TIME ZONE NOT NULL,
+    updated_at               TIMESTAMP(9) WITH TIME ZONE NOT NULL
+);
+
+CREATE TABLE versions (
+    id              CHAR(36)      PRIMARY KEY,
+    repo_id         CHAR(36)      NOT NULL REFERENCES repositories(id) ON DELETE CASCADE,
+    tag             VARCHAR(512)  NOT NULL,
+    commit_sha      CHAR(40)      NOT NULL,
+    status          VARCHAR(32)   NOT NULL,
+    indexed_at      TIMESTAMP(9) WITH TIME ZONE NULL,
+    chunk_count     INT           NOT NULL DEFAULT 0,
+    error_message   CLOB          NULL,
+    UNIQUE (repo_id, tag)
+);
+CREATE INDEX idx_versions_repo_status ON versions(repo_id, status);
+
+CREATE TABLE ingestion_jobs (
+    id           CHAR(36)     PRIMARY KEY,
+    repo_id      CHAR(36)     NOT NULL REFERENCES repositories(id) ON DELETE CASCADE,
+    version_id   CHAR(36)     NULL     REFERENCES versions(id) ON DELETE CASCADE,
+    type         VARCHAR(32)  NOT NULL,
+    status       VARCHAR(32)  NOT NULL,
+    started_at   TIMESTAMP(9) WITH TIME ZONE NULL,
+    finished_at  TIMESTAMP(9) WITH TIME ZONE NULL,
+    created_at   TIMESTAMP(9) WITH TIME ZONE NOT NULL
+);
+CREATE INDEX idx_jobs_repo_status ON ingestion_jobs(repo_id, status);
+CREATE INDEX idx_jobs_status_created ON ingestion_jobs(status, created_at);
+
+CREATE TABLE job_stages (
+    job_id           CHAR(36)     NOT NULL REFERENCES ingestion_jobs(id) ON DELETE CASCADE,
+    name             VARCHAR(32)  NOT NULL,
+    status           VARCHAR(32)  NOT NULL,
+    started_at       TIMESTAMP(9) WITH TIME ZONE NULL,
+    finished_at      TIMESTAMP(9) WITH TIME ZONE NULL,
+    items_processed  BIGINT       NOT NULL DEFAULT 0,
+    items_total      BIGINT       NOT NULL DEFAULT 0,
+    bytes_processed  BIGINT       NOT NULL DEFAULT 0,
+    error_message    CLOB         NULL,
+    PRIMARY KEY (job_id, name)
+);
+
+-- Persisted log buffer (last N per job kept by application logic; SSE streams from in-memory bus).
+CREATE TABLE job_log_events (
+    id        BIGINT       GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+    job_id    CHAR(36)     NOT NULL REFERENCES ingestion_jobs(id) ON DELETE CASCADE,
+    ts        TIMESTAMP(9) WITH TIME ZONE NOT NULL,
+    level     VARCHAR(8)   NOT NULL,
+    stage     VARCHAR(32),
+    message   CLOB         NOT NULL
+);
+CREATE INDEX idx_job_log_job_ts ON job_log_events(job_id, ts);