RustBox/scripts/validate-release-static.py

#!/usr/bin/env python3
"""Static/offline release checks for RustBox 0.2.9.

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"] == "0.2.9", "Cargo package version is 0.2.9")
require(cargo["package"]["rust-version"] == "1.99.1", "Cargo rust-version is 1.99.1")
toolchain = tomllib.loads(read("rust-toolchain.toml"))
require(toolchain["toolchain"]["channel"] == "1.99.1", "rust-toolchain pins Rust 1.99.1")
require((ROOT / "Cargo.lock").is_file(), "Cargo.lock is retained for reproducible application builds")
lock = tomllib.loads(read("Cargo.lock"))
lock_rustbox = next((pkg for pkg in lock.get("package", []) if pkg.get("name") == "rustbox"), {})
require(lock_rustbox.get("version") == "0.2.9", "Cargo.lock RustBox package version is 0.2.9")
require("cargo generate-lockfile" in read("scripts/build-release.sh"), "release script generates Cargo.lock when missing")
release_script = read("scripts/build-release.sh")
release_script_flat = " ".join(release_script.replace("\\", " ").split())
require("cargo test --locked" in release_script_flat, "release script requires the full Rust test suite")
require("cargo clippy --locked --all-targets -- -D warnings" in release_script_flat, "release script requires warning-free Clippy")
require("cargo build --release --locked" in release_script_flat, "release script requires a locked release build")
package_script = read("scripts/package-release.sh")
require("./scripts/build-release.sh" in package_script, "release packaging runs the full build gate before creating artifacts")
require("make_zip.py" in package_script and "sha256sum" in package_script, "release packaging creates ZIP and SHA256 only after the build gate")
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 0.2.9"), "README identifies RustBox 0.2.9")
require(read("RELEASE-MANIFEST.txt").startswith("RustBox 0.2.9"), "release manifest identifies RustBox 0.2.9")
require(read("RELEASE-VALIDATION.txt").startswith("RustBox 0.2.9"), "release validation identifies RustBox 0.2.9")
require(read("docs/IMPLEMENTATION_STATUS.md").startswith("# RustBox 0.2.9"), "implementation status identifies RustBox 0.2.9")
bootstrap_js = read("src/web/js/00-bootstrap.js")
bindings_js = read("src/web/js/95-bindings-boot.js")
realtime_js = read("src/web/js/80-settings-realtime.js")
mail_actions_js = read("src/web/js/60-mail-actions-search.js")
require("perPage: 300" in bootstrap_js and "messages_per_page: 300" in bootstrap_js, "browser mailbox default is 300 messages")
require(re.search(r"default_per_page\(\)\s*->\s*u32\s*\{\s*300\s*\}", read("src/routes/messages/types.rs")) is not None, "folder message API default page size is 300")
require('1..=300' in read("src/routes/messages/mod.rs"), "folder message API accepts up to 300 messages per page")
require('20..=300' in read("src/db/mail_preferences.rs"), "mailbox preference accepts 300 messages per page")
require('const appShortcut = keyboardIdle && !event.ctrlKey && !event.metaKey && !event.altKey;' in bindings_js, "single-key shortcuts preserve Ctrl/Cmd/Alt browser shortcuts")
require('realtimeNotificationsReady' in realtime_js and 'suppressRealtimeNotificationsForFolder' in realtime_js, "realtime new-mail notification gating is present")
require('suppressRealtimeNotificationsForFolder(notificationDestination)' in mail_actions_js, "bulk destination notifications are suppressed")
require("V048" in read("RELEASE-MANIFEST.txt") and "V049" in read("RELEASE-MANIFEST.txt"), "release manifest documents V048 and reserves V049")
require("V048" in read("migrations/README.md") and "V049" in read("migrations/README.md"), "migration guide documents V048 and reserves V049")
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*$", read(".env.example")), "environment example does not set an invalid empty IMAP host")
dev_sh = read("dev.sh")
require('ENV_FILE="${RUSTBOX_ENV_FILE:-$ROOT/.env}"' in dev_sh and '. "$ENV_FILE"' in dev_sh, "development launcher loads project .env")
require(dev_sh.find('. "$ENV_FILE"') < dev_sh.find('cargo run --quiet --bin rustbox -- --check-config'), "development launcher loads .env before config validation")
require('warn,rustbox=debug,tower_http=info' in dev_sh, "development launcher keeps dependencies at WARN while RustBox stays DEBUG")
require('case "${RUST_LOG:-}" in' in dev_sh and 'trace)' in dev_sh and 'info)' in dev_sh, "development launcher scopes legacy/simple global RUST_LOG levels")
require('RUST_LOG=warn,rustbox=debug,tower_http=info' in read(".env.example"), "development environment example does not enable noisy dependency INFO logs")
main_rs = read("src/main.rs")
require('"debug" => "warn,rustbox=debug,tower_http=info"' in main_rs and 'EnvFilter::new(default_log_filter(log_level))' in main_rs, "config log_level controls RustBox verbosity without globally enabling dependency DEBUG/INFO")
require("pub struct SessionPolicyResponse" in read("src/routes/auth.rs") and "pgp_enabled: bool" in read("src/routes/auth.rs"), "authenticated session policy exposes OpenPGP availability")
require("setOpenPgpAvailability" in read("src/web/js/72-openpgp-identities.js"), "UI hides administratively disabled OpenPGP")
storage_rs = read("src/storage/mod.rs")
require(
    ".with_allow_http(storage.allow_http)" in storage_rs.split("let client_options = ClientOptions::new()", 1)[1].split("let retry =", 1)[0],
    "S3 allow_http is applied to the final ClientOptions",
)
require(
    ".with_allow_http(storage.allow_http)" not in storage_rs.split("let mut builder = AmazonS3Builder::from_env()", 1)[1].split("if let Some(endpoint)", 1)[0],
    "S3 builder does not overwrite allow_http with replacement client options",
)
require(
    "s3_http_endpoint_works_when_explicitly_allowed" in storage_rs,
    "S3 HTTP regression test is present",
)
config_rs = read("src/config.rs")
routes_mod = read("src/routes/mod.rs")
require("pub sieve_enabled: bool" in config_rs and "pub diagnostics_enabled: bool" in config_rs and "pub about_enabled: bool" in config_rs, "configuration exposes Sieve, diagnostics and About feature gates")
require("pub security_headers_enabled: bool" in config_rs and "security_headers_enabled: false" in config_rs, "security headers are configurable and disabled by default")
require("pub struct SyncConfig" in config_rs and "pub interval_secs: u64" in config_rs and "pub deep_index_batch_size: u32" in config_rs, "IMAP sync cadence and deep-index batch size are configurable")
require("pub deep_index: bool" in config_rs and "deep_index: false" in config_rs, "server-wide automatic deep index is configurable and production-safe by default")
system_diag_rs = read("src/routes/system_diagnostics.rs")
session_rs = read("src/auth/session.rs")
session_persistence_rs = read("src/session_store/mod.rs")
require("pub struct DiagnosticsEndpointConfig" in config_rs and "pub diagnostics_endpoint: DiagnosticsEndpointConfig" in config_rs, "administrator diagnostics endpoint has a dedicated configuration block")
require('default_diagnostics_allowed_networks' in config_rs and '"127.0.0.1/32"' in config_rs and '"::1/128"' in config_rs, "administrator diagnostics allowlist defaults to IPv4/IPv6 loopback")
require('diagnostics_endpoint.path must be an absolute /api/system/' in config_rs and 'diagnostics_endpoint.token must contain at least 24 characters' in config_rs and 'diagnostics_endpoint.basic_password must contain at least 16 characters' in config_rs, "administrator diagnostics validates namespace and authentication strength")
require('if config.diagnostics_endpoint.enabled' in routes_mod and 'get(system_diagnostics::system_diagnostics)' in routes_mod, "administrator diagnostics route is registered only when enabled")
require('diagnostics_client_ip' in system_diag_rs and 'proxy headers received from an untrusted peer' in system_diag_rs, "administrator diagnostics fails closed on untrusted reverse-proxy headers")
require('parsed_diagnostics_allowed_networks' in system_diag_rs and 'return forbidden();' in system_diag_rs, "administrator diagnostics enforces source IP/CIDR allowlist before probes")
require('constant_time_secret_eq' in system_diag_rs and 'basic_credentials' in system_diag_rs and 'bearer_token' in system_diag_rs, "administrator diagnostics supports protected token and Basic authentication")
require('HeaderValue::from_static("no-store")' in system_diag_rs and 'harden_diagnostics_response' in system_diag_rs, "administrator diagnostics responses are explicitly non-cacheable")
require('"database": db_diag' in system_diag_rs and '"storage": {' in system_diag_rs and '"search": search_status' in system_diag_rs and '"sessions": {' in system_diag_rs, "administrator diagnostics reports database, storage, search and session state")
require('bruteForceSignal' in system_diag_rs and 'diagnosticsAttackSignal' in system_diag_rs and 'MAX_SECURITY_EVENTS' in system_diag_rs, "administrator diagnostics includes bounded brute-force/access-denial telemetry")
require('pub struct SessionPersistenceDiagnostics' in session_persistence_rs and 'diagnostics_snapshot' in session_rs, "administrator diagnostics reports local and persisted session state")
require('user_hash: Option<String>' in session_rs and 'include_user_identifiers.then' in session_rs, "administrator diagnostics omits stable user identifiers unless explicitly enabled")
require('schema_aligned: Option<bool>' in read("src/db/pool.rs") and 'expected_schema_version' in read("src/db/pool.rs"), "administrator diagnostics reports database schema alignment")
require('connected_clients' in read("src/session_store/redis_store.rs") and 'used_memory_bytes' in read("src/session_store/redis_store.rs") and 'master_link_status' in read("src/session_store/redis_store.rs"), "administrator diagnostics reports Redis runtime INFO without credentials")
require('"idleConnections"' in system_diag_rs and 'diagnostics_snapshot' in read("src/realtime/idle.rs"), "administrator diagnostics reports active IMAP IDLE connections")
require('cluster_status.eq_ignore_ascii_case("green")' in read("src/search/engine.rs") and 'cluster_status.eq_ignore_ascii_case("red")' in read("src/search/engine.rs"), "administrator diagnostics treats OpenSearch health conservatively")
require('middleware::from_fn(system_diagnostics::observe_requests)' in routes_mod and routes_mod.count('if config.diagnostics_endpoint.enabled') >= 2, "administrator diagnostics telemetry middleware is installed only when the endpoint is enabled")
require('sanitize_url' in system_diag_rs and 'secretKeyConfigured' in system_diag_rs and 'passwordConfigured' in system_diag_rs and 'credentialConfigured' in system_diag_rs, "administrator diagnostics redacts configured credentials and DSN userinfo")
require('/proc/' not in system_diag_rs and 'systemMemoryTotalKiB' not in system_diag_rs and 'loadAverage' not in system_diag_rs and 'availableProcessors' not in system_diag_rs, "administrator diagnostics avoids host-specific /proc and machine-wide resource metrics")
require((ROOT / "docs/SYSTEM_DIAGNOSTICS.md").is_file() and "disabled by default" in read("docs/SYSTEM_DIAGNOSTICS.md") and "HTTP `403`" in read("docs/SYSTEM_DIAGNOSTICS.md"), "administrator diagnostics security and operations are documented")
require("if config.sieve_enabled" in routes_mod and "if config.diagnostics_enabled" in routes_mod, "disabled Sieve and diagnostics routes are not registered")
require(".fallback(|| async { axum::http::StatusCode::NOT_FOUND })" in routes_mod, "API namespace has an explicit 404 fallback before the SPA fallback")
require("if config.security_headers_enabled" in routes_mod and "add_security_headers" in routes_mod, "security-header middleware is opt-in")
ui_rs = read("src/ui.rs")
pgp_rs = read("src/routes/pgp.rs")
contacts_rs = read("src/routes/contacts.rs")
require("X_CONTENT_TYPE_OPTIONS" not in ui_rs and "x-content-type-options" not in pgp_rs and "x-content-type-options" not in contacts_rs, "security headers are centralized behind the opt-in middleware")
require("response_content_type_is" in routes_mod, "security-header middleware classifies response content types")
require("headers.insert(\n        headers.insert(" not in routes_mod, "security-header middleware has no duplicated insert fragment")
require("if is_html || is_css" in routes_mod, "Referrer-Policy is limited to HTML/CSS responses")
require("if is_html {" in routes_mod, "document-only browser policies are limited to HTML responses")
require("script-src 'self'; script-src-attr 'none'" in routes_mod, "HTML CSP permits only same-origin external scripts and disables script attributes")
require("style-src 'self'; style-src-attr 'unsafe-inline'" in routes_mod and "style-src 'self' 'unsafe-inline'" not in routes_mod, "HTML CSP limits unsafe-inline to dynamic style attributes rather than stylesheet blocks")
require("sha256-" not in routes_mod and "script-src 'self' 'unsafe-inline'" not in routes_mod, "HTML CSP does not rely on inline-script hashes or unsafe-inline")
require('headers.insert(header::CACHE_CONTROL, HeaderValue::from_static("no-store"))' in routes_mod, "API security middleware forces private responses to no-store")
require(
    "HeaderValue::from_static(\"frame-ancestors 'none'\")" in routes_mod
    and 'headers.insert("x-frame-options", HeaderValue::from_static("DENY"))' in routes_mod,
    "browser API security profile includes explicit frame denial",
)
html_security_start = routes_mod.find("if is_html {")
html_security_end = routes_mod.find("\n    response", html_security_start)
require(
    html_security_start >= 0
    and html_security_end > html_security_start
    and routes_mod.count('"permissions-policy"') == 1
    and routes_mod.count('"cross-origin-opener-policy"') == 1
    and html_security_start < routes_mod.find('"permissions-policy"') < html_security_end
    and html_security_start < routes_mod.find('"cross-origin-opener-policy"') < html_security_end,
    "API security profile keeps Permissions-Policy and COOP on documents only",
)
require('"cross-origin-resource-policy"' in routes_mod and 'HeaderValue::from_static("same-origin")' in routes_mod, "security middleware applies same-origin CORP where appropriate")
route_tests = read("src/routes/tests.rs")
auth_routes = read("src/routes/auth.rs")
auth_js = read("src/web/js/20-preferences-auth.js")
require("security_headers_are_opt_in_and_content_type_aware" in route_tests, "security-header regression test covers content-type-aware behavior")
require("auth_policy_exposes_only_login_requirements_before_authentication" in route_tests, "public auth-policy minimization has a regression test")
require("pub struct SessionPolicyResponse" in auth_routes and '.route("/session-policy", get(auth::session_policy))' in routes_mod, "feature policy is exposed only behind the authenticated session route")
require('request("/auth/session-policy"' in auth_js and "async function loadSessionPolicy()" in auth_js, "frontend loads optional feature policy only after authentication")
require("script-src 'self' 'unsafe-inline'" in route_tests, "security regression test explicitly rejects unsafe-inline script policy")
security_test_start = route_tests.find("async fn security_headers_are_opt_in_and_content_type_aware()")
security_test_end = route_tests.find("\n#[tokio::test]", security_test_start + 1)
security_test = route_tests[security_test_start:security_test_end]
require(
    'api.headers()["content-security-policy"]' in security_test
    and "frame-ancestors 'none'" in security_test
    and 'api.headers()["x-frame-options"]' in security_test
    and '"DENY"' in security_test,
    "API regression test enforces browser-facing anti-framing headers",
)
require(
    'api.headers().get("permissions-policy").is_none()' in route_tests
    and 'api.headers().get("cross-origin-opener-policy").is_none()' in route_tests,
    "API regression test omits HTML-only Permissions-Policy and COOP",
)
imap_client_rs = read("src/imap/client.rs")
idle_rs = read("src/realtime/idle.rs")
realtime_sync_rs = read("src/realtime/sync.rs")
require("config.sync.interval_secs" in realtime_sync_rs and "SYNC_INTERVAL_SECS" not in realtime_sync_rs, "periodic IMAP sync interval comes from configuration")
require("config.sync.deep_index_batch_size" in realtime_sync_rs and "DEEP_INDEX_BATCH" not in realtime_sync_rs, "automatic body-cache batch size comes from configuration")
require("config.search.deep_index" in realtime_sync_rs and "force_deep_index" in realtime_sync_rs, "server-wide deep-index setting participates in effective account behavior")
messages_route_rs = read("src/routes/messages/mod.rs")
folders_route_rs = read("src/routes/folders.rs")
folders_js = read("src/web/js/30-folders-tags.js")
reader_js = read("src/web/js/40-messages-reader.js")
realtime_js = read("src/web/js/80-settings-realtime.js")
require('uid_search("UNSEEN")' in imap_client_rs and "folder_status_extended_on_session" in imap_client_rs, "IMAP folder status has an authoritative UNSEEN search fallback")
require('uid_search("UNSEEN")' in idle_rs and "server_unseen" in idle_rs, "IDLE reconciliation counts unseen UIDs instead of using SELECT UNSEEN as a count")
require("tracing::info!(\n                        tracing::info!(" not in idle_rs, "IDLE handler has no duplicated tracing macro fragment")
require("set_folder_counts" in realtime_sync_rs and "status.unseen != folder.unread_count" in realtime_sync_rs, "periodic sync repairs server folder counters before fast-path skips")
require("MailEvent::FolderStatus" in messages_route_rs and "MessageFlagChange" in messages_route_rs, "message flag mutations publish targeted flag and folder-status events")
folder_counts_route_rs = read("src/routes/folder_counts.rs")
folders_db_rs = read("src/db/folders.rs")
require("pub counter_generation: u64" in folders_db_rs and "expected_generation: u64" in folders_db_rs, "folder counter CAS uses a monotonic database generation")
require("counter_generation_blocks_aba_stale_writer" in folders_db_rs, "folder counter generation has an ABA stale-writer regression test")
require("set_folder_counts_if_unchanged" in folder_counts_route_rs and "for attempt in 0..2" in folder_counts_route_rs, "post-mutation folder counters use CAS with a fresh STATUS retry")
require("reconcile_after_mutation" in messages_route_rs and "counter_snapshot" in messages_route_rs, "message mutations reconcile authoritative counters without stale overwrites")
folder_mgmt_rs = read("src/routes/folder_mgmt.rs")
require("reconcile_after_mutation" in folder_mgmt_rs, "mark-all-read uses the race-safe counter reconciler")
require("get_all_uids_and_flags" in folder_mgmt_rs and "through_uid" in folder_mgmt_rs, "mark-all-read snapshots a UID cutoff so later arrivals stay unread locally")
require("cached_uids" in folder_mgmt_rs and "for uid in &cached_uids" in folder_mgmt_rs, "empty-folder cleanup removes only messages captured before the server mutation")
require("routes_folder_mgmt::Q_002" not in folder_mgmt_rs, "mark-all-read no longer blindly overwrites unread counters with zero")
require("set_folder_counts_if_unchanged" in folders_route_rs, "forced folder refresh protects authoritative counters with compare-and-set")
require("folder_statuses_extended" in folders_route_rs and "pending_sync_count" in folders_route_rs, "folder refresh batches authoritative IMAP status and exposes sync backlog")
require("folder_refresh_uses_server_counts_without_relisting_fresh_folder_tree" in route_tests, "folder refresh regression test covers stale unread count versus authoritative IMAP STATUS")
require("if !cache_fresh" in folders_route_rs and "if query.refresh || !cache_fresh" in folders_route_rs, "folder tree LIST uses TTL while forced refresh updates counters through STATUS")
require("is_noselect" in folders_route_rs and "is_noselect" in realtime_sync_rs, "folder status refresh skips IMAP N\\Noselect hierarchy nodes")
require("folder-count-wide" in folders_js and "folder-count-compact" in folders_js, "folder UI exposes responsive total/unread counters")
index_html = read("src/web/index.html")
require(index_html.find('id="indexing-indicator"') < index_html.find('id="contacts-btn"'), "synchronization/index activity indicator is positioned left of Contacts")
require("folder-separator" in folders_js and ".folder-count .folder-separator" in read("src/web/css/30-mail.css"), "folder total/unread separator is styled independently from the unread value")
require("#message-count" in folders_js and "folderName === state.folder" in folders_js, "authoritative folder totals update the active-folder message count without a list rerender")
require("applyLocalMessageFlags" in reader_js and "updateMessageRowState" in reader_js, "reader flag updates patch individual message rows")
require("applyOptimisticMessageFlag" in reader_js and "rollback = applyOptimisticMessageFlag" in reader_js, "read/unread actions update rows and counters optimistically with guarded rollback")
require("if (payload.eventId)" in realtime_js and "const duplicate = state.realtimeSeenEvents.has(idKey);" in realtime_js and realtime_js.find("if (payload.eventId)") < realtime_js.find("const fingerprint ="), "realtime event dedupe trusts unique eventId before fingerprint fallback")
require("\"eventId\": uuid::Uuid::new_v4().to_string()" in read("src/realtime/ws.rs"), "websocket envelopes carry unique eventId values for lossless client dedupe")
require("MailEvent::FolderAllRead" in read("src/routes/folder_mgmt.rs") and "applyRealtimeFolderAllRead" in realtime_js, "mark-all-read propagates as a targeted realtime event instead of forcing a list reload")
require("update_folder_sync_cursor" in read("src/db/folders.rs") and "Q_031" in read("src/queries/sqlite/queries.rs"), "folder flag-sync cursor is stored independently from authoritative counters")
require('uid_fetch("1:*", "UID FLAGS")' in idle_rs and idle_rs.count("complete.then_some") >= 3, "IDLE fallback reconciles flags and rejects partial IMAP streams")
require(re.search(r"index_message_with_connection\s*\(\s*&transaction", idle_rs) is not None, "IDLE header ingestion enqueues search indexing in the same database transaction")
require("delete_folder_messages(&transaction" in messages_route_rs and "db::header_sync::invalidate(&transaction)" in messages_route_rs and re.search(r"update_folder_sync_status\s*\(\s*&transaction", messages_route_rs) is not None, "UIDVALIDITY reset keeps cache invalidation and folder metadata in one database transaction")
require(
    "db::folders::get_folder(conn, &status_name)" in messages_route_rs
    and "total_count: folder_state.total_count" in messages_route_rs
    and "unread_count: folder_state.unread_count" in messages_route_rs,
    "background sync publishes committed folder counters instead of stale network snapshots",
)
require("IMAP cache incomplete" in realtime_js and "Search indexing" in realtime_js, "activity indicator reports IMAP cache and search-index backlog")
require('indicator.classList.toggle("hidden", !busy)' in realtime_js, "activity indicator is hidden whenever synchronization/indexing is idle")
require("setIndexingIndicator(true, 0)" in realtime_js and "setIndexingIndicator(false, 0)" in realtime_js, "manual search reindex drives the activity indicator immediately")
require("MailEvent::IndexingStatus" in read("src/routes/diagnostics.rs") and "Extension(event_bus): Extension<Arc<EventBus>>" in read("src/routes/diagnostics.rs"), "manual search reindex broadcasts indexing activity to connected tabs")
require("deep_index_enabled" in read("src/routes/diagnostics.rs") and "body cache disabled" in realtime_js, "search diagnostics explain whether automatic body caching is enabled")
require('.route("/settings/reset", post(settings::reset_all_settings))' in routes_mod, "authenticated settings reset route is registered")
require("db::settings::reset_all" in read("src/routes/settings.rs"), "settings reset route delegates preference reset to the DB layer")
require('$("#quick-filter-btn")?.classList.toggle("hidden", state.authPolicy.sieveEnabled === false)' in read("src/web/js/20-preferences-auth.js"), "Sieve quick-filter UI disappears when Sieve is disabled")
require("state.authPolicy.sieveEnabled === false ? []" in read("src/web/js/60-mail-actions-search.js"), "Sieve context-menu actions disappear when Sieve is disabled")
mail_actions_js = read("src/web/js/60-mail-actions-search.js")
require("function nextMessageTargetAfterRemoval(folder, uid)" in mail_actions_js, "reader computes the adjacent message before removing the current item")
require("state.messages[index + 1] || state.messages[index - 1]" in mail_actions_js, "reader prefers the next message and falls back to the previous item")
require(mail_actions_js.count("await removeCurrentMessageFromView(") >= 2, "move and permanent-delete flows share automatic reader advancement")
require("if (nextTarget) await openMessage(nextTarget.folder, nextTarget.uid);" in mail_actions_js, "reader opens the adjacent message after current-message removal")
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")
session_db = read("src/session_store/database.rs")
db_pool = read("src/db/pool.rs")
require("crate::db::pool::configure(config).await?" in session_db, "database session store delegates schema initialization to db::pool::configure")
require("global_schema_for_backend" not in session_db, "database session store does not run a second backend schema pass")
require("sqlx::raw_sql(&schema)" not in session_db and "execute_batch(&schema)" not in session_db, "session store avoids duplicate schema DDL for SQLite/MySQL/PostgreSQL")
require("SET LOCAL client_min_messages TO WARNING" in db_pool, "PostgreSQL idempotent startup DDL suppresses expected NOTICE noise locally")
require("Executor as _" in db_pool, "PostgreSQL startup imports SQLx Executor for direct raw DDL execution")
require(".execute(schema.as_str())" in db_pool, "PostgreSQL startup executes schema DDL through Executor instead of raw_sql")
require(not re.search(r"raw_sql\(&schema\)\s*\.execute\(&mut \*tx\)", db_pool), "PostgreSQL startup avoids raw_sql mutable-connection lifetime regression")
require("sqlite_test_configuration_does_not_pin_deleted_tempdir" in db_pool, "SQLite test isolation has a regression test for deleted TempDir reuse")
require("let config = AppConfig {" in db_pool and "let mut config = AppConfig::default();" not in db_pool, "SQLite isolation regression test is Clippy-clean with struct initialization")
sqlite_configure = db_pool.split("DatabaseBackend::Sqlite => {", 1)[1].split("DatabaseBackend::Mysql => {", 1)[0]
require("#[cfg(test)]" in sqlite_configure and "return Ok(());" in sqlite_configure and "#[cfg(not(test))]" in sqlite_configure, "SQLite test configuration does not publish a temporary database path globally")
require("RUST_LOG: ${RUST_LOG:-info,sqlx::postgres::notice=warn}" not in read("docker/compose-postgres-s3-opensearch.yml"), "PostgreSQL Compose no longer depends on a notice-filter workaround")
pgsql_queries = read("src/queries/pgsql/queries.rs")
require("ON CONFLICT(key) DO UPDATE SET value = CAST(user_meta.value AS INTEGER) + 1" in pgsql_queries, "PostgreSQL header-sync UPSERT qualifies the existing target value")
require("tenant_rewriter_prefixes_header_sync_target_qualifier" in db_pool, "tenant SQL rewriter has a regression test for qualified header-sync value")
mysql_queries = read("src/queries/mysql/queries.rs")
require("ON DUPLICATE KEY UPDATE value = CAST(value AS SIGNED) + 1" in mysql_queries, "MySQL header-sync uses its non-EXCLUDED duplicate-key form")


# PostgreSQL UPSERT audit: any read of an INSERT target column inside
# ON CONFLICT ... DO UPDATE must be qualified as either excluded.<column>
# or <target_table>.<column>.  PostgreSQL otherwise treats names such as
# `value` as ambiguous between the existing target row and EXCLUDED.
def postgres_upsert_ambiguities(source: str) -> list[str]:
    const_re = re.compile(
        r'pub const\s+(\w+)\s*:\s*&str\s*=\s*(r#".*?"#|"(?:\\.|[^"\\])*")\s*;',
        re.S,
    )
    problems: list[str] = []
    for const_name, literal in const_re.findall(source):
        if literal.startswith('r#"'):
            sql = literal[3:-2]
        else:
            sql = bytes(literal[1:-1], 'utf-8').decode('unicode_escape')
        if not re.search(r'ON\s+CONFLICT.*DO\s+UPDATE\s+SET', sql, re.I | re.S):
            continue
        insert = re.search(
            r'INSERT\s+INTO\s+([A-Za-z_][\w]*)\s*\((.*?)\)\s*VALUES',
            sql,
            re.I | re.S,
        )
        if insert is None:
            problems.append(f'{const_name}: unable to parse INSERT target')
            continue
        table = insert.group(1)
        columns = [column.strip().strip('"') for column in insert.group(2).split(',')]
        update = re.split(r'DO\s+UPDATE\s+SET', sql, maxsplit=1, flags=re.I)[1]
        scan = re.sub(r"'(?:''|[^'])*'", '', update)
        for column in columns:
            candidate = re.sub(
                rf'\b(?:excluded|{re.escape(table)})\s*\.\s*{re.escape(column)}\b',
                '',
                scan,
                flags=re.I,
            )
            candidate = re.sub(
                rf'(?:(?<=^)|(?<=,))\s*{re.escape(column)}\s*=',
                '=',
                candidate,
                flags=re.I,
            )
            if re.search(rf'(?<!\.)\b{re.escape(column)}\b', candidate, re.I):
                problems.append(f'{const_name}: unqualified target read `{column}` in {table} UPSERT')
    return problems

pgsql_upsert_ambiguities = postgres_upsert_ambiguities(pgsql_queries)
require(
    not pgsql_upsert_ambiguities,
    'PostgreSQL ON CONFLICT target-column reads are fully qualified'
    + (f" ({'; '.join(pgsql_upsert_ambiguities)})" if pgsql_upsert_ambiguities else ''),
)

# 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",
    "docker/configs/ha-garage.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) >= 4, "four 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}")
            services = data.get("services", {})
            for service_name, service in services.items():
                if service_name != "rustbox" and not service_name.startswith("rustbox-"):
                    continue
                for volume in service.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}/{service_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")
dev_config = tomllib.loads(read("config.dev.toml"))
prod_config = tomllib.loads(read("config.example.toml"))
packaged_config = tomllib.loads(read("packaging/rustbox.toml"))
require(dev_config["search"]["deep_index"] is True, "development config enables automatic full-body cache/index")
require(prod_config["search"]["deep_index"] is False and packaged_config["search"]["deep_index"] is False, "production configs keep automatic full-body cache/index disabled")
require(prod_config.get("pgp_enabled") is True and "pgp_enabled" not in prod_config.get("search", {}), "production example keeps root-level settings outside TOML search table")
require(packaged_config.get("database_backend") == "sqlite" and packaged_config.get("max_attachment_size_mb") == 50 and packaged_config.get("sieve_tls_mode") == "none" and "database_backend" not in packaged_config.get("search", {}), "packaged production config preserves top-level runtime settings outside TOML search table")
for diagnostics_config in [
    "config.dev.toml",
    "config.example.toml",
    "packaging/rustbox.toml",
    "docker/configs/single-sqlite.toml",
    "docker/configs/postgres-s3-opensearch.toml",
    "docker/configs/ha-garage.toml",
    "docker/configs/mysql-nfs-opensearch.toml",
]:
    parsed = tomllib.loads(read(diagnostics_config))
    diagnostics = parsed.get("diagnostics_endpoint", {})
    require(
        diagnostics.get("enabled") is False
        and diagnostics.get("allowed_networks") == ["127.0.0.1/32", "::1/128"]
        and diagnostics.get("path") == "/api/system/diagnostics",
        f"diagnostics config is disabled and loopback-only by default: {diagnostics_config}",
    )
require(dev_config["sync"]["interval_secs"] == 30 and dev_config["sync"]["deep_index_batch_size"] == 10, "development config documents 30s/10-message sync defaults")
require(prod_config["sync"]["interval_secs"] == 30 and prod_config["sync"]["deep_index_batch_size"] == 10, "production example documents 30s/10-message sync defaults")
require(packaged_config["sync"]["interval_secs"] == 30 and packaged_config["sync"]["deep_index_batch_size"] == 10, "packaged production config documents 30s/10-message sync defaults")
ha = tomllib.loads(read("docker/configs/ha-garage.toml"))
require(ha["cluster_mode"] is True and ha["session_backend"] == "redis", "HA/Garage config enables cluster mode with Redis-compatible sessions")
require(ha["redis_url"] == "redis://valkey:6379/", "HA/Garage config targets Valkey for shared sessions")
require(ha["storage"]["backend"] == "s3" and ha["storage"]["endpoint"] == "http://garage:3900", "HA/Garage config stores blobs in Garage S3")
require(ha["search"]["backend"] == "opensearch", "HA/Garage config uses OpenSearch")
require(ha["search"]["deep_index"] is True, "development HA example enables automatic deep index")
require(single["search"]["deep_index"] is False and pg_s3["search"]["deep_index"] is False and my_nfs["search"]["deep_index"] is False, "production Docker configs disable automatic full-body cache/index by default")
require(all(cfg["sync"]["interval_secs"] > 0 and cfg["sync"]["deep_index_batch_size"] > 0 for cfg in (single, pg_s3, my_nfs, ha)), "Docker configs provide positive IMAP sync/deep-index tuning values")
dockerfile = read("docker/Dockerfile")
require("FROM rust:1.99.1-trixie AS builder" in dockerfile, "Docker builder pins Rust 1.99.1 on Debian Trixie")
require("FROM debian:trixie-slim" in dockerfile, "Docker runtime uses Debian Trixie slim")
require("libssl3t64" in dockerfile and "libssl3 " not in dockerfile, "Docker runtime uses the Debian Trixie OpenSSL runtime package")
require("bookworm" not in dockerfile.lower(), "RustBox Dockerfile no longer uses Debian Bookworm")
require("postgres:17-trixie" in read("docker/compose-postgres-s3-opensearch.yml"), "PostgreSQL/S3 Compose uses PostgreSQL 17 Trixie")
require("bookworm" not in read("docker/compose-postgres-s3-opensearch.yml").lower(), "PostgreSQL/S3 Compose no longer uses Bookworm")
ha_compose = read("docker/compose-ha-garage.yml")
require("postgres:17-trixie" in ha_compose, "HA Compose uses PostgreSQL 17 Trixie")
require("bookworm" not in ha_compose.lower(), "HA Compose no longer uses Bookworm")
require("rustbox-1:" in ha_compose and "rustbox-2:" in ha_compose, "HA Compose defines two RustBox application nodes")
for service in ["postgres:", "valkey:", "opensearch:", "garage:", "envoy:"]:
    require(service in ha_compose, f"HA Compose includes {service.removesuffix(':')}")
require("valkey/valkey:9.1.3-alpine" in ha_compose, "HA Compose pins Valkey 9.1.3")
require("opensearchproject/opensearch:3.9.0" in ha_compose, "HA Compose pins OpenSearch 3.9.0")
require("dxflrs/garage:v2.5.0" in ha_compose, "HA Compose pins Garage 2.5.0")
require("envoyproxy/envoy:v1.40.2" in ha_compose, "HA Compose pins Envoy 1.40.2")
require("X-RustBox-Backend" in read("docker/envoy/envoy.yaml"), "Envoy exposes the selected RustBox backend response header")
require("address: rustbox-1" in read("docker/envoy/envoy.yaml") and "address: rustbox-2" in read("docker/envoy/envoy.yaml"), "Envoy balances both RustBox nodes")
require('sieve_enabled = false' in read("docker/configs/ha-garage.toml"), "HA example disables optional Sieve by default")
require('security_headers_enabled = false' in read("docker/configs/ha-garage.toml"), "HA example keeps optional security headers disabled by default")
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")
    folder_columns = {row[1] for row in conn.execute("PRAGMA table_info(u_test__folders)")}
    require("counter_generation" in folder_columns, "fresh SQLite schema has V048 folder counter generation")
    sqlite_header_sync = "INSERT INTO u_test__user_meta (key, value) VALUES ('header_sync_generation', '1') ON CONFLICT(key) DO UPDATE SET value = CAST(value AS INTEGER) + 1"
    conn.execute(sqlite_header_sync)
    conn.execute(sqlite_header_sync)
    sqlite_generation = conn.execute("SELECT value FROM u_test__user_meta WHERE key='header_sync_generation'").fetchone()
    require(sqlite_generation == ("2",), "SQLite header-sync UPSERT remains unambiguous and increments generation")
    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}")

# V048 upgrade execution from a V047-style folders table, preserving existing counters.
try:
    conn = sqlite3.connect(":memory:")
    conn.executescript(
        "CREATE TABLE u_test__folders ("
        "name TEXT PRIMARY KEY, delimiter TEXT, parent TEXT, flags TEXT NOT NULL DEFAULT '', "
        "is_subscribed INTEGER NOT NULL DEFAULT 1, total_count INTEGER NOT NULL DEFAULT 0, "
        "unread_count INTEGER NOT NULL DEFAULT 0, uid_validity INTEGER NOT NULL DEFAULT 0, "
        "highest_modseq INTEGER NOT NULL DEFAULT 0, updated_at TEXT NOT NULL, messages_updated_at TEXT);"
        "INSERT INTO u_test__folders "
        "(name, total_count, unread_count, uid_validity, highest_modseq, updated_at) VALUES "
        "('INBOX', 3444, 12, 77, 9001, '2026-11-01T00:00:00Z');"
    )
    migration = read("migrations/sqlite/V048__folder_counter_generation.sql").replace("{{p}}", "u_test__")
    conn.executescript(migration)
    columns = {row[1] for row in conn.execute("PRAGMA table_info(u_test__folders)")}
    require("counter_generation" in columns, "V048 adds counter_generation to SQLite folders")
    row = conn.execute(
        "SELECT name, total_count, unread_count, uid_validity, highest_modseq, counter_generation "
        "FROM u_test__folders WHERE name='INBOX'"
    ).fetchone()
    require(
        row == ('INBOX', 3444, 12, 77, 9001, 0),
        "V048 preserves existing folder counters and initializes generation at zero",
    )
    conn.close()
except Exception as exc:
    errors.append(f"SQLite V048 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}")
    require((ROOT / f"migrations/{dialect}/V048__folder_counter_generation.sql").is_file(), f"V048 migration exists for {dialect}")
    schema_text = read(f"migrations/{dialect}/schema.sql")
    require("Current runtime schema: V048" in schema_text and "counter_generation" in schema_text, f"fresh {dialect} schema includes V048 folder counter generation")
    queries = read(f"src/queries/{dialect}/queries.rs")
    folder_block = re.search(r"pub mod db_folders\s*\{(.*?)\n\}", queries, re.S)
    require(folder_block is not None and "Q_032" in folder_block.group(1) and "counter_generation = counter_generation + 1" in folder_block.group(1), f"folder counter CAS increments generation for {dialect}")
    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(f"{dialect}_MIGRATIONS" in pool and "V048__folder_counter_generation.sql" in pool, f"runtime migration catalog includes V048 ({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")), ROOT / "docker/garage/init/init.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)