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0fc857959e0aca77878be6e23e97d3a8d5d37213
openchamber/packages/web/server/lib/opencode/DOCUMENTATION.md
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bot-hermes 0fc857959e feat(web,ui): per-provider git forge API base URL and detection URLs 
Configure a default API base URL per git provider (github/gitlab/gitea)
in settings.json gitProviders, with GitHub Enterprise support (Octokit
baseUrl + device-flow web origin derived from the API base), and replace
the client-side custom-domains list with server-persisted detection URL
chips (SSH/HTTPS forms normalized to hosts). The configured API base host
auto-counts as a detection host. Settings round-trip through the existing
/api/config/settings sanitizer; the UI store hydrates from server settings
with a one-time localStorage migration.
2026-08-17 09:55:11 +00:00

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OpenCode Module Documentation

Purpose

This module provides OpenCode server integration utilities for the web server runtime, including configuration management and provider authentication.

Entrypoints and structure

  • packages/web/server/lib/opencode/index.js: public entrypoint (currently baseline placeholder).
  • packages/web/server/lib/opencode/auth.js: provider authentication file operations.
  • packages/web/server/lib/opencode/auth-state-runtime.js: managed OpenCode server auth password/header runtime.
  • packages/web/server/lib/opencode/cli-options.js: CLI/environment option parsing for server startup arguments.
  • packages/web/server/lib/opencode/cli-entry-runtime.js: CLI entrypoint runtime that detects direct execution, parses CLI options, and starts server bootstrap.
  • packages/web/server/lib/opencode/routes.js: OpenCode/provider settings and auth-related route registration.
  • packages/web/server/lib/opencode/lifecycle.js: OpenCode process lifecycle runtime (startup, restart, readiness, health monitoring). After readiness it warms the most recently used directories (getWarmupDirectories dep, sequential and best-effort) because OpenCode initializes each directory lazily on first request and that cost would otherwise be paid by the user's first interactive session open.
  • packages/web/server/lib/opencode/provider-env-aliases.js: mirrors known provider credential env aliases into the managed OpenCode process environment (for example GEMINI_API_KEY → GOOGLE_GENERATIVE_AI_API_KEY) so OpenCode connection detection and the upstream AI SDK agree on the same key names. Canonical implementation shared by web lifecycle and the VS Code managed spawn path (packages/vscode/src/provider-env-aliases.ts re-exports this module).
  • packages/web/server/lib/opencode/env-runtime.js: OpenCode CLI/binary resolution and shell environment runtime.
  • packages/web/server/lib/opencode/env-config.js: OpenCode-related environment variable parsing and validation (host/port/hostname).
  • packages/web/server/lib/opencode/hmr-state-runtime.js: HMR-persistent runtime state initialization, auth-state bootstrap, and HMR sync helpers.
  • packages/web/server/lib/opencode/bootstrap-runtime.js: base app bootstrap runtime for status/auth/tts/notification/OpenChamber route wiring.
  • packages/web/server/lib/opencode/network-runtime.js: OpenCode URL construction, health-probe readiness checks, and API prefix runtime.
  • packages/web/server/lib/opencode/project-directory-runtime.js: request-scoped and settings-backed project directory resolution/validation runtime.
  • packages/web/server/lib/opencode/config-entity-routes.js: route registration for agent/command/MCP config orchestration with deferred-apply semantics (restartDeferred payloads; explicit apply via POST /api/config/reload).
  • packages/web/server/lib/opencode/config-mutation-response.js: shared response builders for deferred OpenCode restarts and external manual-restart guidance.
  • packages/web/server/lib/opencode/snippets.js: opencode-snippets-compatible snippet file CRUD, discovery, and hashtag expansion.
  • packages/web/server/lib/opencode/cli-options.js: CLI/environment option parsing for server startup arguments.
  • packages/web/server/lib/opencode/core-routes.js: server status/system routes, auth/access guard routes, and settings utility route registration.
  • packages/web/server/lib/opencode/shutdown-runtime.js: graceful shutdown orchestration runtime for watcher/session/terminal/process/server teardown.
  • packages/web/server/lib/opencode/server-startup-runtime.js: server listen/startup tunnel flow and process/signal handler orchestration runtime.
  • packages/web/server/lib/opencode/static-routes-runtime.js: static asset/SPA fallback route registration and manifest route wiring.
  • packages/web/server/lib/opencode/feature-routes-runtime.js: feature route composition runtime for dynamic import-backed config/skill/provider route registration.
  • packages/web/server/lib/opencode/opencode-resolution-runtime.js: OpenCode binary resolution snapshot runtime for settings routes and diagnostics.
  • packages/web/server/lib/opencode/upgrade-capability.js: authoritative upgrade ownership policy for the active OpenCode runtime. Bundled, external, and unresolved runtimes fail closed; only managed non-bundled runtimes delegate upgrades to OpenCode.
  • packages/web/server/lib/opencode/tunnel-wiring-runtime.js: tunnel service/routes composition runtime and active-port wiring for main server startup.
  • packages/web/server/lib/opencode/startup-pipeline-runtime.js: server startup tail orchestration runtime for terminal/proxy/static/start-listen flow.
  • packages/web/server/lib/opencode/startup-performance.js: opt-in startup phase diagnostics with fixed labels and numeric metadata allowlists.
  • packages/web/server/lib/agent-tool/runtime.js: managed OpenCode custom-tool materialization, environment injection, loopback authentication, and fixed CLI action dispatch.
  • packages/web/server/lib/system-prompt/runtime.js: opt-in managed OpenCode system-prompt optimizer materialization and plugin injection.
  • packages/web/server/lib/opencode/server-utils-runtime.js: shared server runtime utilities for OpenCode proxy wiring, OpenCode port/readiness helpers, and snapshot fetchers.
  • packages/web/server/lib/opencode/openchamber-routes.js: OpenChamber update and models metadata route registration.
  • packages/web/server/lib/opencode/pwa-manifest-routes.js: PWA manifest route registration with recent-session shortcut resolution and short-lived caching.
  • packages/web/server/lib/opencode/project-icon-routes.js: project icon upload/read/discovery route registration and icon storage orchestration.
  • packages/web/server/lib/opencode/skill-routes.js: route registration for skill config CRUD, supporting files, and skills catalog scan/install flows.
  • packages/web/server/lib/opencode/settings-runtime.js: Settings persistence runtime (disk IO, migrations, normalization, project validation, and persisted update serialization).
  • packages/web/server/lib/opencode/settings-helpers.js: Settings payload sanitization/format helpers runtime for response shaping and persisted merge prep.
  • packages/web/server/lib/opencode/settings-normalization-runtime.js: path/settings/tunnel normalization and sanitization helpers runtime used by settings/routes/config wiring.
  • packages/web/server/lib/opencode/theme-runtime.js: custom theme JSON validation and theme directory loading runtime for settings utility routes.
  • packages/web/server/lib/opencode/proxy.js: OpenCode API/SSE forwarding and readiness-gate route registration.
  • packages/web/server/lib/opencode/session-runtime.js: session status/attention/activity runtime for OpenCode SSE events.
  • packages/web/server/lib/opencode/watcher.js: global SSE watcher runtime for push/session event fanout.
  • packages/web/server/lib/opencode/shared.js: shared utilities for config, markdown, skills, and git helpers.
  • packages/web/server/lib/ui-auth/ui-auth.js: UI session authentication runtime (outside OpenCode module).
  • packages/web/server/lib/ui-auth/ui-passkeys.js: UI passkey storage and WebAuthn registration/authentication helpers (outside OpenCode module).

Public exports (auth.js)

  • readAuthFile(): Reads and parses ~/.local/share/opencode/auth.json.
  • writeAuthFile(auth): Writes auth file with automatic backup.
  • removeProviderAuth(providerId): Removes a provider's auth entry.
  • getProviderAuth(providerId): Returns auth for a specific provider or null.
  • listProviderAuths(): Returns list of provider IDs with configured auth.
  • AUTH_FILE: Auth file path constant.
  • OPENCODE_DATA_DIR: OpenCode data directory path constant.

Public exports (providers.js)

  • getProviderSources(providerId, workingDirectory): Resolves which OpenCode config layers define a provider.
  • upsertProviderConfig(providerId, config, workingDirectory, scope?, options?): Validates and writes a custom OpenAI-compatible provider block (npm, name, options.baseURL, models, optional env/headers) into the user/project/custom config layer. Does not store API keys. Requires config.env or options.hasStoredAuth (auth already written via OpenCode auth.set). Edit flows must pass the provider's effective existing layer (custom > project > user) so updates do not create a global user override.
  • validateCustomProviderConfig(providerId, config, options?): Structural validation for custom provider payloads (id format, http(s) base URL, models, credentials via env or hasStoredAuth).
  • removeProviderConfig(providerId, workingDirectory, scope?): Removes a provider block from the selected config layer.

Public exports (shared.js)

  • OPENCODE_CONFIG_DIR, AGENT_DIR, COMMAND_DIR, SKILL_DIR, CONFIG_FILE: Path constants. OPENCODE_CONFIG is resolved at call time for the custom config layer path.
  • AGENT_SCOPE, COMMAND_SCOPE, SKILL_SCOPE: Scope constants with USER and PROJECT values.
  • ensureDirs(): Creates required OpenCode directories.
  • parseMdFile(filePath), writeMdFile(filePath, frontmatter, body): Markdown file operations with YAML frontmatter.
  • getConfigPaths(workingDirectory), readConfigLayers(workingDirectory), readConfig(workingDirectory): Config file operations with layer merging (user, project, custom).
  • writeConfig(config, filePath): Writes config with automatic backup.
  • getJsonEntrySource(layers, sectionKey, entryName): Resolves which config layer provides an entry.
  • getJsonWriteTarget(layers, preferredScope): Determines write target for config updates.
  • getAncestors(startDir, stopDir), findWorktreeRoot(startDir): Git worktree helpers.
  • isPromptFileReference(value), resolvePromptFilePath(reference), writePromptFile(filePath, content): Prompt file reference handling.
  • walkSkillMdFiles(rootDir): Recursively finds all SKILL.md files.
  • addSkillFromMdFile(skillsMap, skillMdPath, scope, source): Parses and indexes a skill file.
  • resolveSkillSearchDirectories(workingDirectory): Returns skill search path order (config, project, home, custom).
  • listSkillSupportingFiles(skillDir), readSkillSupportingFile(skillDir, relativePath), writeSkillSupportingFile(skillDir, relativePath, content), deleteSkillSupportingFile(skillDir, relativePath): Skill supporting file management.

Public exports (routes.js)

  • registerOpenCodeRoutes(app, dependencies): Registers OpenCode-owned HTTP routes and internal module runtime:
    • GET /api/config/settings
    • PUT /api/config/settings
    • GET /api/config/opencode-resolution
    • POST /api/opencode/upgrade (enforces the active runtime's upgrade capability, serializes supported OpenCode upgrades, then restarts managed OpenCode so the new binary is active)
    • GET /api/opencode/upgrade-status (returns version availability plus the authoritative upgrade.supported, upgrade.manager, and upgrade.reason capability)
    • POST /api/opencode/directory (validates and activates an existing project directory; { create: true } explicitly creates the requested project directory before activation, including outside the previously active workspace)
    • GET /api/provider/:providerId/source
    • PUT /api/provider (create/update custom OpenAI-compatible provider config in OpenCode user/project/custom layers via scope; secrets stay in auth via the OpenCode auth API)
    • DELETE /api/provider/:providerId/auth
  • Owns lazy auth library loading for provider auth checks/removal.
  • Keeps route behavior independent from composition root; index.js now supplies dependencies only.

Public exports (session-runtime.js)

  • createSessionRuntime({ writeSseEvent, getNotificationClients, broadcastEvent? }): creates runtime-owned state machine and APIs for session status.
  • Returned API:
    • processOpenCodeSsePayload(payload)
    • getSessionActivitySnapshot()
    • getActiveSessionCount()
    • getSessionStateSnapshot()
    • getSessionAttentionSnapshot()
    • getSessionState(sessionId)
    • getSessionAttentionState(sessionId)
    • markSessionViewed(sessionId, clientId)
    • markSessionUnviewed(sessionId, clientId)
    • markUserMessageSent(sessionId)
    • resetAllSessionActivityToIdle()
    • dispose()

The runtime maintains active-session count incrementally from idempotent activity phase transitions. Upstream stall-timeout and lifecycle health checks read it in O(1); the hourly cleanup removes activity phases older than 24 hours without broadcasting synthetic state transitions. Snapshot generation remains reserved for the session-activity API.

Public exports (lifecycle.js)

  • createOpenCodeLifecycleRuntime(dependencies): creates lifecycle runtime for managed/external OpenCode process orchestration. The optional onOpenCodeRestarted dependency (default null) is fired after a successful managed restart; index.js wires it to messageStreamRuntime.rebindUpstream() so event-stream readers rebind to the possibly-new port (a restart can land on a new port while an orphaned process keeps the old one, which would otherwise leave the chat UI silent — issue #2638).
  • Returned API:
    • startOpenCode()
    • restartOpenCode()
    • waitForOpenCodeReady(timeoutMs?, intervalMs?)
    • waitForAgentPresence(agentName, timeoutMs?, intervalMs?)
    • refreshOpenCodeAfterConfigChange(reason, options?)
    • bootstrapOpenCodeAtStartup()
    • startHealthMonitoring(healthCheckIntervalMs)
    • waitForPortRelease(port, timeoutMs, hostname?)
    • killProcessOnPort(port)

Managed OpenCode launch also merges the environment returned by the agent-tool runtime. PATH and OPENCODE_SERVER_PASSWORD remain lifecycle-owned and cannot be replaced by injected values. External OpenCode processes receive no OpenChamber tool injection. Managed launch env strips AppImage ARGV0 before spawn so zsh-backed OpenCode tools do not rewrite child argv[0] to the AppImage path (#2588).

Before spawn, applyProviderEnvAliases fills unset Google credential aliases from any present sibling (GOOGLE_GENERATIVE_AI_API_KEY, GOOGLE_API_KEY, GEMINI_API_KEY) so a shell that only exports GEMINI_API_KEY still satisfies the Generative AI SDK path used at chat time. Existing non-empty values are never overwritten.

Set OPENCHAMBER_STARTUP_PERF=1 to emit bounded startup phase records for server listen, managed OpenCode preparation/readiness, and proxy readiness holds. Every OpenCode bootstrap emits one terminal opencode.bootstrap.ready or opencode.bootstrap.error event, including reused and external server paths. Records contain controlled phase/outcome/route labels and timing values only; they never contain request URLs, runtime keys, directories, session IDs, credentials, or content.

macOS say voice enumeration starts concurrently with server composition. The server listener and managed OpenCode startup do not wait for it; /api/tts/say/status awaits the same authoritative capability promise when queried before enumeration completes.

Transport-triggered health checks share the periodic monitor's failure accounting interval. Rapid WS reconnect callbacks therefore cannot exhaust the managed-process restart threshold using one cached unhealthy result; an exited managed process still restarts immediately.

Public exports (env-runtime.js)

  • createOpenCodeEnvRuntime(dependencies): creates runtime that owns OpenCode CLI environment and binary discovery state.
  • OpenCode CLI resolution order is persisted settings, environment overrides, bundled Desktop CLI when available, PATH, known install locations, then platform shell discovery.
  • Returned API:
    • applyLoginShellEnvSnapshot()
    • getLoginShellEnvSnapshot()
    • ensureOpencodeCliEnv()
    • applyOpencodeBinaryFromSettings()
    • resolveOpencodeCliPath()
    • resolveManagedOpenCodeLaunchSpec(opencodePath): resolves the effective managed OpenCode launch target, unwrapping Windows package-manager shims to a direct native binary or explicit runtime+script when possible.
    • resolveGitBinaryForSpawn()
    • resolveWslExecutablePath()
    • buildWslExecArgs(execArgs, distroOverride?)
    • isExecutable(filePath)
    • searchPathFor(binaryName, searchPath?): resolves an executable from the supplied PATH value, defaulting to the process PATH.
    • clearResolvedOpenCodeBinary()

Public exports (env-config.js)

  • resolveOpenCodeEnvConfig(options?): resolves and validates OpenCode host/port/hostname environment configuration.
  • Returned object fields:
    • configuredOpenCodePort
    • configuredOpenCodeHost
    • effectivePort
    • configuredOpenCodeHostname

Public exports (hmr-state-runtime.js)

  • createHmrStateRuntime(dependencies): creates runtime for HMR state container initialization and runtime<->HMR state synchronization.
  • Returned API:
    • getOrCreateHmrState()
    • ensureUserProvidedOpenCodePassword(hmrState)
    • getUserProvidedOpenCodePassword(hmrState)
    • resolveOpenCodeAuthFromState({ hmrState, userProvidedOpenCodePassword })
    • syncStateFromRuntime(hmrState, runtime)
    • restoreRuntimeFromState({ hmrState, userProvidedOpenCodePassword })

Public exports (bootstrap-runtime.js)

  • createBootstrapRuntime(dependencies): creates runtime for base app route bootstrap and UI auth controller initialization.
  • Returned API:
    • setupBaseRoutes(app, options)

Public exports (network-runtime.js)

  • createOpenCodeNetworkRuntime(dependencies): creates runtime for OpenCode network and URL concerns.
  • Returned API:
    • waitForReady(url, timeoutMs?)
    • normalizeApiPrefix(prefix)
    • setDetectedOpenCodeApiPrefix()
    • buildOpenCodeUrl(path, prefixOverride?)
    • ensureOpenCodeApiPrefix()
    • scheduleOpenCodeApiDetection()

Public exports (settings-runtime.js)

  • createSettingsRuntime(dependencies): creates settings lifecycle runtime for read/migrate/persist concerns.
  • Returned API:
    • readSettingsFromDisk()
    • readSettingsFromDiskMigrated()
    • writeSettingsToDisk(settings)
    • persistSettings(changes)
    • Persistent permission auto-accept policy is stored under permissionAutoAccept; execution ownership lives in lib/permission-auto-accept/.

Public exports (settings-helpers.js)

  • createSettingsHelpers(dependencies): creates settings helper runtime for settings request/response shaping.
  • Returned API:
    • normalizePwaAppName(value, fallback?)
    • sanitizeSettingsUpdate(payload) — whitelist of persisted keys; includes gitProviders (validated via packages/web/server/lib/git-providers/config.js sanitizeGitProviders), which therefore round-trips through GET/PUT /api/config/settings.
    • mergePersistedSettings(current, changes)
    • formatSettingsResponse(settings)

Public exports (settings-normalization-runtime.js)

  • createSettingsNormalizationRuntime(dependencies): creates normalization/sanitization runtime for shared settings and tunnel helper logic.
  • Returned API:
    • normalizeDirectoryPath(value)
    • normalizePathForPersistence(value)
    • normalizeSettingsPaths(input)
    • normalizeTunnelBootstrapTtlMs(value)
    • normalizeTunnelSessionTtlMs(value)
    • normalizeManagedRemoteTunnelHostname(value)
    • normalizeManagedRemoteTunnelPresets(value)
    • normalizeManagedRemoteTunnelPresetTokens(value)
    • isUnsafeSkillRelativePath(value)
    • sanitizeTypographySizesPartial(input)
    • normalizeStringArray(input)
    • sanitizeModelRefs(input, limit)
    • sanitizeSkillCatalogs(input)
    • sanitizeProjects(input)

Public exports (theme-runtime.js)

  • createThemeRuntime(dependencies): creates custom theme runtime for on-disk theme discovery and JSON normalization/validation.
  • Returned API:
    • normalizeThemeJson(raw)
    • readCustomThemesFromDisk()

Public exports (project-directory-runtime.js)

  • createProjectDirectoryRuntime(dependencies): creates runtime for request/project directory candidate normalization and validation.
  • Returned API:
    • resolveDirectoryCandidate(value)
    • validateDirectoryPath(candidate)
    • resolveProjectDirectory(req)
    • resolveOptionalProjectDirectory(req)

Public exports (config-entity-routes.js)

  • registerConfigEntityRoutes(app, dependencies): registers configuration entity routes:
    • Agents: /api/config/agents/:name and /api/config/agents/:name/config
    • Commands: /api/config/commands/:name
    • MCP servers: /api/config/mcp and /api/config/mcp/:name
    • Snippets: /api/config/snippets, /api/config/snippets/:name, and /api/config/snippets/expand
  • Agent/command/MCP write routes persist config to disk and return a deferred-restart payload (requiresReload: false, requiresRestart: true, restartDeferred: true) instead of restarting OpenCode immediately. The UI accumulates these changes and applies them with POST /api/config/reload.

Public exports (config-mutation-response.js)

  • buildDeferredRestartResponse(message): success payload for config mutations that are saved on disk but waiting for an explicit Apply & Restart (restartDeferred: true).
  • buildExternalManualRestartResponse(message): success payload when OpenCode is an external process and the operator must restart it manually (requiresManualRestart: true).

Public exports (auth-state-runtime.js)

  • createOpenCodeAuthStateRuntime(dependencies): creates runtime for managed OpenCode auth password state and request headers.
  • Returned API:
    • getOpenCodeAuthHeaders()
    • isOpenCodeConnectionSecure()
    • ensureLocalOpenCodeServerPassword(options?)

Public exports (core-routes.js)

  • registerServerStatusRoutes(app, dependencies): registers status/system endpoints:
    • GET /health
    • POST /api/system/shutdown
    • GET /api/system/info
  • registerAuthAndAccessRoutes(app, dependencies): registers browser auth/session exchange and API access middleware:
    • GET /auth/session
    • POST /auth/session
    • GET /auth/passkey/status
    • POST /auth/passkey/authenticate/options
    • POST /auth/passkey/authenticate/verify
    • POST /auth/passkey/register/options
    • POST /auth/passkey/register/verify
    • GET /api/passkeys
    • DELETE /api/passkeys/:id
    • POST /api/auth/reset
    • GET /connect
    • POST /api/system/probe-url
    • app.use('/api', ...) auth/tunnel guard
  • registerSettingsUtilityRoutes(app, dependencies): registers small settings utility endpoints:
    • GET /api/config/themes
    • POST /api/config/reload — applies accumulated deferred OpenCode config changes. Managed OpenCode restarts and returns requiresReload: true. External OpenCode returns requiresManualRestart: true (changes are already on disk; the connected server must be restarted outside OpenChamber).
  • registerCommonRequestMiddleware(app, dependencies): registers shared request middleware stack:
    • conditional JSON body parser behavior for /api/* vs non-API requests
    • URL-encoded parser setup
    • request logging middleware

Public exports (cli-options.js)

  • parseServeCliOptions(options): parses serve CLI flags and environment-derived defaults:
    • Port/host/ui-password
    • Tunnel provider/mode/config/token/hostname
    • Legacy --tunnel shorthand normalization

Public exports (cli-entry-runtime.js)

  • runCliEntryIfMain(dependencies): detects direct CLI execution and runs server startup with parsed CLI options.

Public exports (server-utils-runtime.js)

  • createServerUtilsRuntime(dependencies): creates server utility runtime for OpenCode orchestration helpers.
  • Returned API:
    • setOpenCodePort(port)
    • waitForOpenCodePort(timeoutMs?)
    • buildAugmentedPath()
    • parseSseDataPayload(block)
    • fetchAgentsSnapshot()
    • fetchProvidersSnapshot()
    • fetchModelsSnapshot()
    • setupProxy(app)

Public exports (shutdown-runtime.js)

  • createGracefulShutdownRuntime(dependencies): creates graceful shutdown runtime for managed OpenCode and web server teardown sequencing.
  • Returned API:
    • gracefulShutdown(options?)

Public exports (server-startup-runtime.js)

  • createServerStartupRuntime(dependencies): creates runtime for server bind/startup tunnel and process handler wiring.
  • Returned API:
    • resolveBindHost(host)
    • startListeningAndMaybeTunnel(options)
    • attachProcessHandlers(options)

Public exports (static-routes-runtime.js)

  • createStaticRoutesRuntime(dependencies): creates runtime for static dist resolution and static route registration.
  • Returned API:
    • registerStaticRoutes(app)

Public exports (feature-routes-runtime.js)

  • createFeatureRoutesRuntime(dependencies): creates runtime for main feature route registration orchestration.
  • Returned API:
    • registerRoutes(app, routeDependencies)

Public exports (opencode-resolution-runtime.js)

  • createOpenCodeResolutionRuntime(dependencies): creates runtime for OpenCode binary/source snapshot resolution.
  • Returned API:
    • getOpenCodeResolutionSnapshot(settings): returns configured/resolved OpenCode binary details plus effective managed-launch fields (launchBinary, launchArgs, launchWrapperType) when applicable.

Public exports (tunnel-wiring-runtime.js)

  • createTunnelWiringRuntime(dependencies): creates runtime for tunnel service construction and tunnel route registration.
  • Returned API:
    • initialize(app, initialPort)

Public exports (startup-pipeline-runtime.js)

  • createStartupPipelineRuntime(dependencies): creates runtime for terminal wiring, proxy/bootstrap scheduling, static route registration, and server startup/listen flow.
  • Returned API:
    • run(options)

The pipeline binds the OpenChamber listener and publishes its active port before starting managed OpenCode. The managed custom tool therefore receives an authoritative loopback callback URL even when OpenChamber binds port 0.

Public exports (openchamber-routes.js)

  • registerOpenChamberRoutes(app, dependencies): registers OpenChamber endpoints:
    • GET /api/openchamber/update-check
    • POST /api/openchamber/update-install
      • Foreground servers running under a systemd user unit queue installation in a separate transient unit and restart the configured service afterwards. OPENCHAMBER_SYSTEMD_UNIT overrides the default openchamber.service.
    • GET /api/openchamber/models-metadata
    • GET /api/zen/models

Public exports (pwa-manifest-routes.js)

  • registerPwaManifestRoute(app, dependencies): registers PWA manifest endpoint with dynamic app-name resolution and recent-session shortcuts:
    • GET /manifest.webmanifest

Public exports (project-icon-routes.js)

  • registerProjectIconRoutes(app, dependencies): registers project icon routes and owns icon storage/discovery flow:
    • GET /api/projects/:projectId/icon
    • PUT /api/projects/:projectId/icon
    • DELETE /api/projects/:projectId/icon
    • POST /api/projects/:projectId/icon/discover

Public exports (skill-routes.js)

  • registerSkillRoutes(app, dependencies): registers skills-related routes:
    • Skills config CRUD and metadata under /api/config/skills*
    • Skill rename via PATCH /api/config/skills/:name with { renameTo } (directory rename preserves SKILL.md body and supporting files; restricted to managed skill roots under .opencode/skills|skill, .claude/skills, and .agents/skills)
    • Skill list responses include authoritative renamable derived from the same managed-root policy used by rename
    • Skills catalog listing/source pagination, scan, and install routes
    • Supporting skill file read/write/delete routes
    • Directory resolution prefers an explicit request directory, then soft-falls back to the active project / lastDirectory so repository-local .agents/skills and .opencode/skills remain discoverable when the client omits directory. Requests without any project still list user-scoped skills.

Public exports (proxy.js)

  • registerOpenCodeProxy(app, dependencies): registers OpenCode proxy routes and middleware.
  • Owns:
    • SSE forwarders: GET /api/global/event, GET /api/event
      • Downstream heartbeats keep clients and intermediaries alive, while a separate upstream-only stall watchdog closes the downstream response when OpenCode stops producing bytes so clients reconnect instead of trusting synthetic heartbeats indefinitely. Each watchdog reset uses the current load-aware timeout, matching the shared event transport.
    • Session message forwarder: POST /api/session/:sessionId/message
    • Interactive OAuth forwarder: POST /api/provider/:providerID/oauth/callback
      • Upstream blocks inside this call for the whole browser sign-in (device-code polling or a loopback redirect), so it is exempt from the ordinary request deadline and uses a 15-minute proxy timeout instead of LONG_REQUEST_TIMEOUT_MS. All other /api/provider/* routes, including oauth/authorize, keep the ordinary deadline.
    • Generic /api/* forwarding with hop-by-hop header filtering
    • Windows /session merge fallback path behavior
    • OpenCode readiness gate for proxied /api requests

Public exports (watcher.js)

  • createOpenCodeWatcherRuntime(dependencies): creates global event watcher runtime backed by the shared upstream SSE reader.
  • Returned API:
    • start()
    • stop()
  • Behavior:
    • Waits for OpenCode readiness before attaching the watcher.
    • In production wiring, subscribes to the shared global message-stream hub instead of opening its own /global/event connection.
    • Can still create its own /global/event reader when no shared hub is provided, which keeps module tests and isolated reuse simple.
    • Reuses event-stream parsing, Last-Event-ID, stall timeout, and reconnect behavior.
    • Forwards unwrapped global event payloads into notification/session side effects.

Storage and configuration

  • Provider auth: ~/.local/share/opencode/auth.json.
  • User config: ~/.config/opencode/opencode.json.
  • Project config: <workingDirectory>/.opencode/opencode.json or opencode.json.
  • Custom config: OPENCODE_CONFIG env var path.
  • Rate limit config: OPENCHAMBER_RATE_LIMIT_MAX_ATTEMPTS, OPENCHAMBER_RATE_LIMIT_NO_IP_MAX_ATTEMPTS env vars.

Notes for contributors

  • This module serves as foundation for OpenCode-related server utilities.
  • Route ownership moved to module-level routes.js; index.js wires dependencies only.
  • All file writes include automatic backup before modification.
  • Config merging follows priority: custom > project > user.
  • UI auth uses scrypt for password hashing with constant-time comparison.
  • Tunnel auth treats host.docker.internal as local-only when the socket remote IP is private/loopback.
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