#!/usr/bin/env python3
"""Static/offline release checks for RustBox 0.2.1.

These checks intentionally avoid pretending to replace `cargo test`: they validate
configuration, SQL migrations, Docker examples, query-catalog parity and release
metadata in environments where the Rust toolchain or external services are absent.
"""
from __future__ import annotations

import base64
import pathlib
import re
import sqlite3
import subprocess
import sys
import tomllib

try:
    import yaml
except ImportError:  # pragma: no cover - validation host dependency
    yaml = None

ROOT = pathlib.Path(__file__).resolve().parents[1]
errors: list[str] = []
checks: list[str] = []


def ok(message: str) -> None:
    checks.append(message)


def require(condition: bool, message: str) -> None:
    if condition:
        ok(message)
    else:
        errors.append(message)


def read(rel: str) -> str:
    return (ROOT / rel).read_text(encoding="utf-8")


def extract_section(text: str, begin: str, end: str) -> str:
    require(begin in text and end in text, f"schema markers present: {begin} / {end}")
    if begin not in text or end not in text:
        return ""
    return text.split(begin, 1)[1].split(end, 1)[0]


# Release/toolchain metadata.
cargo = tomllib.loads(read("Cargo.toml"))
require(cargo["package"]["version"] == "0.2.1", "Cargo package version is 0.2.1")
require(cargo["package"]["rust-version"] == "1.88", "Cargo rust-version is 1.88")
toolchain = tomllib.loads(read("rust-toolchain.toml"))
require(toolchain["toolchain"]["channel"] == "1.88.0", "rust-toolchain pins Rust 1.88.0")
require(not (ROOT / "Cargo.lock").exists(), "stale Cargo.lock is not shipped")
require("cargo generate-lockfile" in read("scripts/build-release.sh"), "release script regenerates Cargo.lock")
require("cargo generate-lockfile" in read(".github/workflows/ci.yml"), "CI regenerates Cargo.lock before --locked checks")
require("validate-release-static.py" in read("scripts/build-release.sh"), "release script runs offline/static release gate")
require("validate-release-static.py" in read(".github/workflows/ci.yml"), "CI runs offline/static release gate")
require(read("README.md").startswith("# RustBox 0.2.1"), "README identifies RustBox 0.2.1")
require(read("RELEASE-MANIFEST.txt").startswith("RustBox 0.2.1"), "release manifest identifies RustBox 0.2.1")
require(read("RELEASE-VALIDATION.txt").startswith("RustBox 0.2.1"), "release validation identifies RustBox 0.2.1")
require(read("docs/IMPLEMENTATION_STATUS.md").startswith("# RustBox 0.2.1"), "implementation status identifies RustBox 0.2.1")
require((ROOT / "docs/STORAGE_SEARCH_OPERATIONS.md").is_file(), "storage/search operations guide exists")
require('imap_host = ""' not in read("config.dev.toml"), "development config does not override IMAP host with an invalid empty value")
require(not re.search(r"(?m)^IMAP_HOST=\s*$", read(".env.example")), "environment example does not set an invalid empty IMAP host")
require("pgp_enabled: bool" in read("src/routes/auth.rs"), "auth policy exposes OpenPGP availability")
require("setOpenPgpAvailability" in read("src/web/js/72-openpgp-identities.js"), "UI hides administratively disabled OpenPGP")
require("is_opensearch_backpressure_error" in read("src/search/engine.rs"), "OpenSearch worker classifies backpressure failures")
require("worker pass failed; backing off" in read("src/search/engine.rs"), "OpenSearch worker backs off after failures")
require("ENVIRONMENT: ${ENVIRONMENT:-development}" in read("docker/compose-postgres-s3-opensearch.yml"), "PostgreSQL Compose defaults direct HTTP to development cookie mode")

# Parse all maintained TOML examples.
toml_files = [
    "Cargo.toml",
    "rust-toolchain.toml",
    "config.example.toml",
    "config.dev.toml",
    "packaging/rustbox.toml",
    "docker/configs/single-sqlite.toml",
    "docker/configs/postgres-s3-opensearch.toml",
    "docker/configs/mysql-nfs-opensearch.toml",
]
for rel in toml_files:
    try:
        tomllib.loads(read(rel))
        ok(f"TOML parses: {rel}")
    except Exception as exc:
        errors.append(f"TOML parse failed: {rel}: {exc}")

# Parse Docker Compose YAML and validate referenced config paths.
compose_files = sorted((ROOT / "docker").glob("compose-*.yml"))
require(len(compose_files) >= 3, "three Docker Compose deployment variants exist")
if yaml is None:
    errors.append("PyYAML is required for Docker Compose static validation")
else:
    for path in compose_files:
        try:
            data = yaml.safe_load(path.read_text(encoding="utf-8"))
            require(isinstance(data, dict) and "services" in data, f"Compose parses with services: {path.name}")
            rustbox = data.get("services", {}).get("rustbox", {})
            for volume in rustbox.get("volumes", []) or []:
                if isinstance(volume, str) and volume.startswith("./configs/"):
                    config_rel = volume.split(":", 1)[0].removeprefix("./")
                    require((ROOT / "docker" / config_rel).is_file(), f"Compose config mount exists: {path.name} -> {config_rel}")
        except Exception as exc:
            errors.append(f"Compose parse failed: {path.name}: {exc}")

single = tomllib.loads(read("docker/configs/single-sqlite.toml"))
pg_s3 = tomllib.loads(read("docker/configs/postgres-s3-opensearch.toml"))
my_nfs = tomllib.loads(read("docker/configs/mysql-nfs-opensearch.toml"))
require(single["cluster_mode"] is False and single["storage"]["backend"] == "filesystem", "single-node Compose uses local filesystem storage")
require(pg_s3["cluster_mode"] is True and "data_dir" not in pg_s3, "PostgreSQL/S3 cluster config omits data_dir")
require(pg_s3["storage"]["backend"] == "s3" and pg_s3["search"]["backend"] == "opensearch", "PostgreSQL cluster uses S3 + OpenSearch")
require(my_nfs["cluster_mode"] is True and "data_dir" not in my_nfs, "MySQL/NFS cluster config omits data_dir")
require(my_nfs["storage"]["backend"] == "filesystem" and my_nfs["storage"]["shared"] is True, "MySQL cluster marks POSIX/NFS storage shared")
require(my_nfs["search"]["backend"] == "opensearch", "MySQL/NFS cluster uses OpenSearch")
require("type: nfs" in read("docker/compose-mysql-nfs-opensearch.yml"), "NFS Compose uses a real NFS volume driver")
require("docker.io/pgsty/silo:RELEASE.2026-10-26T00-00-00Z" in read("docker/compose-postgres-s3-opensearch.yml"), "S3 Compose pins the maintained SILO integration image")
require("docker.io/pgsty/mc:RELEASE.2026-10-26T00-00-00Z" in read("docker/compose-postgres-s3-opensearch.yml"), "S3 Compose pins the matching SILO client image")
require('test: ["CMD", "silo", "healthcheck", "ready"]' in read("docker/compose-postgres-s3-opensearch.yml"), "S3 Compose waits on SILO readiness before bucket initialization")
require("endpoint = \"http://s3:9000\"" in read("docker/configs/postgres-s3-opensearch.toml"), "S3 config targets the generic Compose S3 service")
for rel in ["docker/compose-postgres-s3-opensearch.yml", "docker/compose-mysql-nfs-opensearch.yml"]:
    require("opensearchproject/opensearch:3.9.0" in read(rel), f"Compose pins OpenSearch 3.9.0: {rel}")
    require("opensearchproject/opensearch:latest" not in read(rel), f"Compose avoids moving OpenSearch latest tag: {rel}")
    require('DISABLE_INSTALL_DEMO_CONFIG: "true"' in read(rel), f"Compose disables OpenSearch demo security bootstrap: {rel}")
    require('DISABLE_SECURITY_PLUGIN: "true"' in read(rel), f"Compose explicitly disables OpenSearch security plugin for local integration: {rel}")

for rel in ["docker/compose-postgres-s3-opensearch.yml", "docker/compose-mysql-nfs-opensearch.yml"]:
    match = re.search(r"SESSION_ENCRYPTION_KEY:\s*\$\{SESSION_ENCRYPTION_KEY:-([^}]+)\}", read(rel))
    require(match is not None, f"Compose has SESSION_ENCRYPTION_KEY fallback: {rel}")
    if match:
        try:
            decoded = base64.b64decode(match.group(1), validate=True)
            require(len(decoded) == 32, f"Compose fallback session key decodes to 32 bytes: {rel}")
        except Exception as exc:
            errors.append(f"invalid Compose fallback session key in {rel}: {exc}")

# SQLite fresh-schema execution.
schema = read("migrations/sqlite/schema.sql")
global_sql = extract_section(schema, "-- RUSTBOX:GLOBAL-BEGIN", "-- RUSTBOX:GLOBAL-END")
tenant_sql = extract_section(schema, "-- RUSTBOX:TENANT-BEGIN", "-- RUSTBOX:TENANT-END").replace("{{p}}", "u_test__")
try:
    conn = sqlite3.connect(":memory:")
    conn.execute("PRAGMA foreign_keys=ON")
    conn.executescript(global_sql)
    conn.executescript(tenant_sql)
    columns = {row[1] for row in conn.execute("PRAGMA table_info(u_test__draft_attachments)")}
    require("checksum_sha256" in columns, "fresh SQLite schema has attachment checksum metadata")
    outbox = conn.execute("SELECT 1 FROM sqlite_master WHERE type='table' AND name='u_test__search_outbox'").fetchone()
    require(outbox is not None, "fresh SQLite schema has search_outbox")
    outbox_columns = {row[1] for row in conn.execute("PRAGMA table_info(u_test__search_outbox)")}
    require("claimed_until" in outbox_columns, "fresh SQLite search_outbox separates worker lease from retry availability")
    account_default = conn.execute("PRAGMA table_info(rustbox_accounts)").fetchall()
    version_default = next((row[4] for row in account_default if row[1] == "schema_version"), None)
    require(str(version_default).strip("'\"") == "46", "fresh global compatibility baseline remains V046 before tenant registration")
    conn.close()
except Exception as exc:
    errors.append(f"fresh SQLite schema execution failed: {exc}")

# V047 upgrade execution from a minimal V046 attachment table, including data preservation.
try:
    conn = sqlite3.connect(":memory:")
    conn.executescript(
        "CREATE TABLE u_test__draft_attachments ("
        "id TEXT PRIMARY KEY, draft_id TEXT NOT NULL, filename TEXT NOT NULL, "
        "content_type TEXT NOT NULL, size INTEGER NOT NULL, file_path TEXT NOT NULL, "
        "created_at TEXT NOT NULL);"
        "INSERT INTO u_test__draft_attachments "
        "(id, draft_id, filename, content_type, size, file_path, created_at) VALUES "
        "('att-1', 'draft-1', 'report.pdf', 'application/pdf', 1234, '/legacy/report.pdf', '2026-01-01T00:00:00Z');"
    )
    migration = read("migrations/sqlite/V047__blob_keys_and_search_outbox.sql").replace("{{p}}", "u_test__")
    conn.executescript(migration)
    columns = {row[1] for row in conn.execute("PRAGMA table_info(u_test__draft_attachments)")}
    require("checksum_sha256" in columns, "V047 adds checksum_sha256 to SQLite attachments")
    row = conn.execute(
        "SELECT id, draft_id, filename, content_type, size, file_path, created_at, checksum_sha256 "
        "FROM u_test__draft_attachments WHERE id='att-1'"
    ).fetchone()
    require(
        row == ('att-1', 'draft-1', 'report.pdf', 'application/pdf', 1234, '/legacy/report.pdf', '2026-01-01T00:00:00Z', None),
        "V047 preserves existing attachment rows and initializes checksum as NULL",
    )
    require(conn.execute("SELECT 1 FROM sqlite_master WHERE type='table' AND name='u_test__search_outbox'").fetchone() is not None, "V047 creates SQLite search_outbox")
    outbox_columns = {row[1] for row in conn.execute("PRAGMA table_info(u_test__search_outbox)")}
    require("claimed_until" in outbox_columns, "V047 creates an independent SQLite outbox lease column")
    conn.close()
except Exception as exc:
    errors.append(f"SQLite V047 migration execution failed: {exc}")

# Migration/query parity across SQL engines.
for dialect in ("sqlite", "mysql", "pgsql"):
    require((ROOT / f"migrations/{dialect}/V047__blob_keys_and_search_outbox.sql").is_file(), f"V047 migration exists for {dialect}")
    queries = read(f"src/queries/{dialect}/queries.rs")
    block_match = re.search(r"pub mod db_search_outbox\s*\{(.*?)\n\}", queries, re.S)
    require(block_match is not None, f"search outbox query module exists for {dialect}")
    if block_match:
        qnames = set(re.findall(r"pub const (Q_\d{3})", block_match.group(1)))
        require(qnames == {f"Q_{i:03d}" for i in range(1, 8)}, f"search outbox Q001-Q007 parity for {dialect}")

pool = read("src/db/pool.rs")
for dialect in ("SQLITE", "MYSQL", "PGSQL"):
    require(f"{dialect}_MIGRATIONS" in pool and "V047__blob_keys_and_search_outbox.sql" in pool, f"runtime migration catalog includes V047 ({dialect.lower()})")
require("const BASE_SCHEMA_VERSION: u32 = 46" in pool, "legacy squashed baseline stays V046")
require("latest_schema_version" in pool, "runtime schema version is computed from migrations")
require(
    "latest_supported_sqlite = SQLITE_MIGRATIONS" in pool
    and "if version > latest_supported_sqlite" in pool,
    "legacy SQLite import accepts runtime migrations up to this build instead of stopping at V046",
)

# Tenant/import table parity and transaction-bound mutation helpers.
def const_string_array(text: str, name: str) -> list[str]:
    match = re.search(rf"const {name}: &\[&str\] = &\[(.*?)\];", text, re.S)
    return re.findall(r'"([^"\n]+)"', match.group(1)) if match else []

tenant_tables = const_string_array(pool, "TENANT_TABLES")
import_tables = const_string_array(pool, "IMPORT_TABLES")
require(
    tenant_tables and sorted(tenant_tables) == sorted(import_tables),
    "tenant and legacy-import table sets stay in sync",
)
messages_rs = read("src/db/messages.rs")
routes_messages_rs = read("src/routes/messages/mod.rs")
require(
    "pub fn remove_after_mutation_in_transaction(" in messages_rs
    and "remove_after_mutation_in_transaction(&transaction, folder, uid)?;" in messages_rs
    and "db::messages::remove_after_mutation_in_transaction(" in routes_messages_rs
    and "db::messages::remove_after_mutation(&transaction" not in routes_messages_rs,
    "move mutation reuses its caller transaction instead of nesting a second transaction",
)

# Exercise the actual SQLite search-outbox query constants against the current tenant schema.
try:
    sqlite_queries = read("src/queries/sqlite/queries.rs")
    outbox_block = re.search(r"pub mod db_search_outbox\s*\{(.*?)\n\}", sqlite_queries, re.S)
    if outbox_block is None:
        raise RuntimeError("db_search_outbox module not found")
    queries = {
        name: sql.replace("search_outbox", "u_test__search_outbox")
        for name, sql in re.findall(r'pub const (Q_\d{3}): &str = "([^"]+)";', outbox_block.group(1))
    }
    conn = sqlite3.connect(":memory:")
    conn.execute("PRAGMA foreign_keys=ON")
    conn.executescript(tenant_sql)
    conn.execute(queries["Q_001"], ("doc-1", "gen-1", "upsert", 7, "INBOX", "{}", 1000))
    ready = conn.execute(queries["Q_002"], (1000, 10)).fetchall()
    require(len(ready) == 1 and ready[0][0:3] == ("doc-1", "gen-1", "upsert"), "SQLite search outbox enqueue/list query roundtrip works")
    first_claim = conn.execute(queries["Q_006"], ("doc-1", "gen-1", 1060, 1000)).rowcount
    second_claim = conn.execute(queries["Q_006"], ("doc-1", "gen-1", 1060, 1000)).rowcount
    require(first_claim == 1 and second_claim == 0, "SQLite search outbox lease claim is exclusive")
    conn.execute(queries["Q_001"], ("doc-1", "gen-2", "delete", 7, "INBOX", None, 1001))
    requeued = conn.execute(
        "SELECT generation, event_type, attempts, available_at, claimed_until, dead_letter, created_at, updated_at "
        "FROM u_test__search_outbox WHERE id='doc-1'"
    ).fetchone()
    require(
        requeued == ("gen-2", "delete", 0, 0, 1060, 0, 1001, 1001),
        "SQLite search outbox re-enqueue resets retry state while preserving an active worker lease",
    )
    require(
        conn.execute(queries["Q_002"], (1001, 10)).fetchall() == [],
        "SQLite replacement event stays hidden until the active lease expires",
    )
    stale_delete = conn.execute(queries["Q_003"], ("doc-1", "gen-1")).rowcount
    current_delete = conn.execute(queries["Q_003"], ("doc-1", "gen-2")).rowcount
    require(stale_delete == 0 and current_delete == 1, "SQLite search outbox generation guard rejects stale acknowledgements")
    conn.execute(queries["Q_001"], ("doc-2", "gen-3", "delete", 9, "Trash", None, 1002))
    failure_update = conn.execute(queries["Q_004"], ("doc-2", "gen-3", 1, 2000, 1, "boom", 1003)).rowcount
    stats = conn.execute(queries["Q_005"]).fetchone()
    claimed_after_failure = conn.execute("SELECT claimed_until FROM u_test__search_outbox WHERE id='doc-2'").fetchone()[0]
    require(failure_update == 1 and stats[0] == 1 and stats[1] == 1 and claimed_after_failure == 0, "SQLite search outbox retry/dead-letter resets worker lease and updates stats")
    conn.execute(queries["Q_001"], ("doc-old", "gen-old", "delete", 10, "Archive", None, 900))
    cleared = conn.execute(queries["Q_007"], (1000,)).rowcount
    require(cleared == 1, "SQLite search outbox can clear pre-reindex superseded events")
    conn.close()
except Exception as exc:
    errors.append(f"SQLite search-outbox query execution failed: {exc}")

# Storage/search architecture invariants.
config_rs = read("src/config.rs")
storage_rs = read("src/storage/mod.rs")
search_rs = read("src/search/engine.rs")
require("if self.cluster_mode && !data_dir_explicit" in config_rs and "self.data_dir.clear()" in config_rs, "implicit data_dir is disabled in cluster mode")
require("cluster_shared_data_dir" not in config_rs and "search_index_backend" not in config_rs, "legacy top-level storage/search switches are removed")
require('self.storage.backend.trim().to_ascii_lowercase()' in config_rs and 'self.search.backend.trim().to_ascii_lowercase()' in config_rs, "storage/search backends come only from their dedicated config sections")
require('"tantivy" => "local_tantivy"' not in config_rs, "legacy Tantivy backend alias is removed")
require('"postgres"' not in config_rs.split("#[cfg(test)]", 1)[0] and '"postgresql"' not in config_rs.split("#[cfg(test)]", 1)[0] and '"postgres"' not in read("src/db/pool.rs").split("#[cfg(test)]", 1)[0] and '"postgresql"' not in read("src/db/pool.rs").split("#[cfg(test)]", 1)[0], "database backend uses canonical sqlite/mysql/pgsql names only")
require("cluster_shared_data_dir" not in read("config.example.toml") and "search_index_backend" not in read("config.example.toml"), "example config contains no pre-0.2 compatibility switches")
require("legacy_filesystem_root" not in storage_rs and "legacy_path(" not in storage_rs, "blob storage has no legacy attachment read-through path")
require('"filesystem" | "s3"' in config_rs or '"filesystem", "s3"' in config_rs, "configuration accepts filesystem and S3 storage")
require("storage.shared" in config_rs, "cluster-safe shared POSIX storage is capability-gated")
require("AmazonS3Builder" in storage_rs and "BufWriter" in storage_rs, "S3 backend uses streaming object-store writer")
require("with_retry" in storage_rs and "with_checksum_algorithm" in storage_rs, "S3 backend configures retries and checksums")
require("attachment_key" in storage_rs and "users/{user_hash}/drafts/{draft_id}/attachments/{attachment_id}" in storage_rs, "attachments use logical storage keys")
require("destination.delete(&target_key).await" in storage_rs, "attachment migration removes a failed destination blob after verification failure")
require("let _ = upload.abort().await" in storage_rs and "failed reading source" in storage_rs, "attachment migration aborts a destination upload if source streaming fails")
require("if let Err(error) = crate::db::drafts::update_attachment_storage" in storage_rs, "attachment migration removes destination object when SQL pointer update fails")
require("OpenSearchBackend" in search_rs, "OpenSearch backend is implemented")
require("reqwest::blocking" not in search_rs and 'features = ["json", "rustls-tls"]' in read("Cargo.toml"), "OpenSearch uses the async reqwest client without blocking feature")
require("async fn request(" in search_rs and "request.send().await" in search_rs, "OpenSearch HTTP requests are asynchronous")
require('json!({"term": {"user_hash": user_hash}})' in search_rs, "OpenSearch queries enforce server-side tenant filter")
require("process_search_outbox" in search_rs and "claim(&conn" in search_rs, "OpenSearch worker uses durable claimed outbox events")
require("fn event_lease_secs(&self) -> u64" in search_rs and "let lease_secs = backend.event_lease_secs();" in search_rs and "claim(&conn, &event, 60)" not in search_rs, "OpenSearch outbox lease is derived from HTTP timeout/failover budget instead of a fixed 60 seconds")
require("opensearch_event_lease_covers_timeout_and_failover_budget" in search_rs, "OpenSearch lease budget has a source-level unit regression test")
require("claimed_until" in read("migrations/sqlite/V047__blob_keys_and_search_outbox.sql") and "reenqueue_preserves_active_claim_lease" in read("src/db/search_outbox.rs"), "outbox re-enqueue cannot steal an active worker lease")
require("index_messages_batch_with_connection" in search_rs and "enqueue_upsert_on" in search_rs, "OpenSearch outbox supports caller-owned SQL transactions")
require("enqueue_participates_in_caller_transaction" in read("src/db/search_outbox.rs"), "transactional outbox rollback has a unit test")
require("search reindex" in read("README.md") and "run_search_reindex" in read("src/main.rs"), "full search reindex command is documented and wired")
require("clear_before(&conn, reindex_started_at)" in read("src/main.rs") and "pub fn clear_before(" in read("src/db/search_outbox.rs"), "full reindex removes only superseded pre-reindex outbox events")
require("quiesce search workers" in read("docs/STORAGE_SEARCH_OPERATIONS.md"), "cluster reindex documentation requires a controlled maintenance window")
require("self.backend.refresh().await?" in search_rs, "OpenSearch full reindex forces refresh before reporting completion")
require("pub async fn document_count(&self) -> Result<usize, String>" in search_rs, "search document-count diagnostics propagate backend errors")
require(".document_count()\n            .await\n            .map_err(AppError::InternalError)?" in read("src/routes/diagnostics.rs"), "diagnostics route does not convert OpenSearch count failures into zero")
idle_rs = read("src/realtime/idle.rs")
require("fn delete_cached_message(" in idle_rs and "delete_message_with_connection(&transaction, uid, folder)" in idle_rs, "IMAP IDLE cache deletion writes search outbox in the same DB transaction")
require("search_engine.clone()," in read("src/realtime/ws.rs"), "websocket IDLE wiring passes the shared search engine")
require("cargo generate-lockfile && cargo build --release --locked" in read("docker/Dockerfile"), "Docker release build generates and honors a dependency lockfile")
require("PostgreSQL + SILO (S3-compatible) + OpenSearch" in read("CHANGELOG.md"), "0.2.0 changelog matches the pinned S3-compatible Compose service")
require("docs/RUSTBOX_PLAN.md" not in read("docs/IMPLEMENTATION_STATUS.md"), "implementation status does not reference a missing release-plan file")
require("intentionally run one RustBox application container" in read("docker/README.md"), "Docker docs distinguish shared backing topology from multi-app load balancing")

attachments_rs = read("src/routes/attachments.rs")
require(".begin_upload(&key)" in attachments_rs and ".get(&attachment.storage_key)" in attachments_rs and (".delete(&attachment.storage_key)" in attachments_rs or ".delete(&storage_key)" in attachments_rs), "attachment HTTP routes use BlobStorage")
require("tokio::fs::" not in attachments_rs, "attachment HTTP routes no longer access local filesystem directly")
attachment_db_delete = attachments_rs.find("db::drafts::delete_draft_attachment")
attachment_blob_delete = attachments_rs.find("storage.delete(&storage_key)", attachment_db_delete)
require(attachment_db_delete >= 0 and attachment_blob_delete > attachment_db_delete, "attachment delete commits DB removal before best-effort blob cleanup")
drafts_rs = read("src/routes/drafts.rs")
draft_db_delete = drafts_rs.find("db::drafts::delete_draft(&conn, &id)")
draft_blob_delete = drafts_rs.find("storage.delete(&attachment.storage_key)", draft_db_delete)
require(draft_db_delete >= 0 and draft_blob_delete > draft_db_delete, "draft delete commits DB removal before best-effort blob cleanup")
send_rs = read("src/routes/send.rs")
send_db_delete = send_rs.find("db::drafts::delete_draft(&conn, draft_id)")
send_blob_delete = send_rs.find("storage.delete(&attachment.storage_key)", send_db_delete)
require(send_db_delete >= 0 and send_blob_delete > send_db_delete, "post-send cleanup commits DB removal before best-effort blob cleanup")

# Repository/source-package hygiene independent of Cargo.
source_files = [path for path in ROOT.rglob("*") if path.is_file() and ".git" not in path.parts and "target" not in path.parts]
conflict_marker = re.compile(r"(?m)^(<<<<<<<|=======|>>>>>>>)")
conflicted = []
for path in source_files:
    if path.suffix.lower() in {".png", ".jpg", ".jpeg", ".gif", ".webp", ".ico", ".woff", ".woff2", ".ttf", ".zip", ".gz"}:
        continue
    try:
        text = path.read_text(encoding="utf-8")
    except UnicodeDecodeError:
        continue
    if conflict_marker.search(text):
        conflicted.append(str(path.relative_to(ROOT)))
require(not conflicted, f"no unresolved merge-conflict markers ({', '.join(conflicted) if conflicted else 'clean'})")
require(not any(path.suffix in {".ts", ".tsx"} for path in source_files), "source package contains no TypeScript files")

manifest = [line.strip() for line in read("src/web/js/manifest.txt").splitlines() if line.strip() and not line.lstrip().startswith("#")]
missing_manifest = [entry for entry in manifest if not (ROOT / "src/web/js" / entry).is_file()]
require(not missing_manifest, f"browser JS manifest entries exist ({', '.join(missing_manifest) if missing_manifest else 'complete'})")

include_paths = []
for path in ROOT.glob("src/**/*.rs"):
    text = path.read_text(encoding="utf-8")
    for match in re.finditer(r'include_(?:str|bytes)!\(\s*"([^"]+)"\s*\)', text):
        include_paths.append((path, match.group(1)))
missing_includes = []
for source, relative in include_paths:
    candidate = (source.parent / relative).resolve()
    if not candidate.is_file():
        missing_includes.append(f"{source.relative_to(ROOT)} -> {relative}")
require(not missing_includes, f"Rust include_str/include_bytes targets exist ({'; '.join(missing_includes) if missing_includes else 'complete'})")

# Shell syntax checks are useful offline and deterministic.
try:
    shell_files = [ROOT / "dev.sh", *sorted((ROOT / "scripts").glob("*.sh"))]
    subprocess.run(["bash", "-n", *map(str, shell_files)], check=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
    ok("shell scripts pass bash -n")
except Exception as exc:
    errors.append(f"shell syntax validation failed: {exc}")

# TODO/release honesty: live integrations remain explicitly pending.
todo = read("TODO.md")
require("[ ] SILO Compose integration validation" in todo, "TODO keeps live SILO validation pending")
require("[ ] MinIO integration validation" in todo, "TODO keeps live MinIO validation pending")
require("[ ] AWS S3 integration validation" in todo, "TODO keeps live AWS S3 validation pending")
require("[ ] Ceph RGW compatibility validation" in todo, "TODO keeps live Ceph RGW validation pending")
require("[ ] S3-compatible storage works for draft attachments (live SILO/MinIO/AWS validation pending)" in todo, "acceptance does not overclaim live S3 validation")

print(f"static checks passed: {len(checks)}")
for message in checks:
    print(f"PASS  {message}")
if errors:
    print(f"static checks failed: {len(errors)}", file=sys.stderr)
    for message in errors:
        print(f"FAIL  {message}", file=sys.stderr)
    raise SystemExit(1)