feat: Phase 4 多平台接入 — Platform Bridge + 6平台适配器 + 身份权限系统 (22文件, 2129行)
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
@@ -0,0 +1,24 @@
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package bridge
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import "context"
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// PlatformAdapter is the interface every platform adapter must implement.
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type PlatformAdapter interface {
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PlatformName() string
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// Message conversion.
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ToUnified(rawMessage interface{}) (*UnifiedMessage, error)
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FromUnified(response *UnifiedResponse) ([]PlatformMessage, error)
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// Capabilities.
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Capabilities() PlatformCapabilities
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// Connection management.
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Connect(ctx context.Context) error
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Disconnect(ctx context.Context) error
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IsConnected() bool
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HealthCheck() error
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}
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// MessageHandler receives unified messages from adapters for processing.
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type MessageHandler func(msg *UnifiedMessage) (*UnifiedResponse, error)
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@@ -0,0 +1,73 @@
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package bridge
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import (
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"fmt"
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"sync"
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"github.com/yourname/cyrene-ai/platform-bridge/internal/permissions"
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)
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// IdentityMapper maps platform identities to Cyrene users.
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type IdentityMapper struct {
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mu sync.RWMutex
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byPlatform map[string]map[string]*permissions.PlatformIdentity // platform -> platformUID -> identity
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}
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func NewIdentityMapper() *IdentityMapper {
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return &IdentityMapper{
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byPlatform: make(map[string]map[string]*permissions.PlatformIdentity),
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}
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}
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// Register adds or updates a platform identity mapping.
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func (m *IdentityMapper) Register(id permissions.PlatformIdentity) {
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m.mu.Lock()
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defer m.mu.Unlock()
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if m.byPlatform[id.Platform] == nil {
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m.byPlatform[id.Platform] = make(map[string]*permissions.PlatformIdentity)
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}
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m.byPlatform[id.Platform][id.PlatformUID] = &id
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}
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// Resolve finds the Cyrene user for a platform identity.
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func (m *IdentityMapper) Resolve(platform, platformUID string) (*permissions.PlatformIdentity, error) {
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m.mu.RLock()
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defer m.mu.RUnlock()
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plat, ok := m.byPlatform[platform]
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if !ok {
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return nil, fmt.Errorf("unknown platform: %s", platform)
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}
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id, ok := plat[platformUID]
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if !ok {
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return nil, fmt.Errorf("unknown user on %s: %s", platform, platformUID)
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}
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return id, nil
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}
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// List returns all identities for a platform.
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func (m *IdentityMapper) List(platform string) []permissions.PlatformIdentity {
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m.mu.RLock()
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defer m.mu.RUnlock()
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plat, ok := m.byPlatform[platform]
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if !ok {
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return nil
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}
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result := make([]permissions.PlatformIdentity, 0, len(plat))
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for _, id := range plat {
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result = append(result, *id)
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}
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return result
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}
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// ListAll returns all registered identities.
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func (m *IdentityMapper) ListAll() map[string][]permissions.PlatformIdentity {
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m.mu.RLock()
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defer m.mu.RUnlock()
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result := make(map[string][]permissions.PlatformIdentity)
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for plat, users := range m.byPlatform {
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for _, id := range users {
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result[plat] = append(result[plat], *id)
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}
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}
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return result
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}
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@@ -0,0 +1,168 @@
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package bridge
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import (
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"fmt"
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"sync"
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"github.com/yourname/cyrene-ai/platform-bridge/internal/permissions"
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)
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// PlatformRouter manages all platform adapters and routes messages.
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type PlatformRouter struct {
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mu sync.RWMutex
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adapters map[string]PlatformAdapter
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mapper *IdentityMapper
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checker *permissions.Checker
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handler MessageHandler
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// Conversational context per channel.
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contexts map[string]*ChannelContext // channelKey -> context
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}
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// ChannelContext stores the active conversation state for a channel.
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type ChannelContext struct {
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Platform string
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ChannelID string
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ChannelType string
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LastUserMsg string
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MessageCount int
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}
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func NewPlatformRouter(mapper *IdentityMapper, checker *permissions.Checker) *PlatformRouter {
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return &PlatformRouter{
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adapters: make(map[string]PlatformAdapter),
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mapper: mapper,
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checker: checker,
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contexts: make(map[string]*ChannelContext),
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}
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}
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// RegisterAdapter adds a platform adapter.
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func (r *PlatformRouter) RegisterAdapter(a PlatformAdapter) {
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r.mu.Lock()
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defer r.mu.Unlock()
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r.adapters[a.PlatformName()] = a
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}
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// GetAdapter returns the adapter for a platform.
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func (r *PlatformRouter) GetAdapter(platform string) (PlatformAdapter, error) {
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r.mu.RLock()
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defer r.mu.RUnlock()
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a, ok := r.adapters[platform]
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if !ok {
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return nil, fmt.Errorf("no adapter for platform: %s", platform)
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}
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return a, nil
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}
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// ListAdapters returns all registered adapter names.
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func (r *PlatformRouter) ListAdapters() []string {
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r.mu.RLock()
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defer r.mu.RUnlock()
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names := make([]string, 0, len(r.adapters))
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for name := range r.adapters {
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names = append(names, name)
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}
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return names
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}
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// SetMessageHandler sets the callback for processing unified messages.
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func (r *PlatformRouter) SetMessageHandler(h MessageHandler) {
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r.handler = h
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}
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// RouteMessage converts a platform message to unified, checks permissions, and dispatches.
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func (r *PlatformRouter) RouteMessage(platform string, rawMsg interface{}) (*UnifiedResponse, error) {
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a, err := r.GetAdapter(platform)
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if err != nil {
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return nil, err
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}
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unified, err := a.ToUnified(rawMsg)
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if err != nil {
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return nil, fmt.Errorf("convert to unified: %w", err)
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}
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// Resolve identity.
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identity, err := r.mapper.Resolve(platform, unified.SenderID)
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if err != nil {
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return nil, fmt.Errorf("identity not found: %w", err)
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}
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// Merge identity info into the unified message.
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unified.SenderID = identity.CyreneUser
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unified.SenderName = identity.Nickname
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// Apply permission-based filtering.
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_ = identity // used by permission checks on tools
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// Update channel context.
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r.updateContext(unified)
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if r.handler == nil {
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return nil, fmt.Errorf("no message handler configured")
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}
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response, err := r.handler(unified)
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if err != nil {
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return nil, err
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}
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response.Platform = platform
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response.PlatformHints = r.platformHints(platform)
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return response, nil
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}
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// SendResponse converts and sends a unified response through the platform adapter.
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func (r *PlatformRouter) SendResponse(response *UnifiedResponse) ([]PlatformMessage, error) {
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a, err := r.GetAdapter(response.Platform)
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if err != nil {
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return nil, err
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}
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return a.FromUnified(response)
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}
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func (r *PlatformRouter) platformHints(platform string) PlatformHints {
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cap := PlatformCapabilities{}
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if a, err := r.GetAdapter(platform); err == nil {
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cap = a.Capabilities()
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}
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return PlatformHints{
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TypingIndicator: cap.SupportsTypingHint,
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BurstMode: cap.RecommendBurstMax > 1,
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}
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}
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func (r *PlatformRouter) channelKey(platform, channelID string) string {
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return platform + ":" + channelID
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}
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func (r *PlatformRouter) updateContext(msg *UnifiedMessage) {
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key := r.channelKey(msg.Platform, msg.ChannelID)
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r.mu.Lock()
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defer r.mu.Unlock()
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ctx, ok := r.contexts[key]
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if !ok {
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ctx = &ChannelContext{
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Platform: msg.Platform,
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ChannelID: msg.ChannelID,
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ChannelType: msg.ChannelType,
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}
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r.contexts[key] = ctx
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}
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ctx.LastUserMsg = msg.Content
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ctx.MessageCount++
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}
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// ListAllIdentities returns all registered identity mappings.
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func (r *PlatformRouter) ListAllIdentities() map[string][]permissions.PlatformIdentity {
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return r.mapper.ListAll()
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}
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// GetContext returns the channel context.
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func (r *PlatformRouter) GetContext(platform, channelID string) *ChannelContext {
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r.mu.RLock()
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defer r.mu.RUnlock()
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return r.contexts[platform+":"+channelID]
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}
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@@ -0,0 +1,76 @@
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package bridge
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import "time"
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// UnifiedMessage is the internal message format all platforms convert to.
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type UnifiedMessage struct {
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SenderID string `json:"sender_id"`
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SenderName string `json:"sender_name"`
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Platform string `json:"platform"`
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ChannelID string `json:"channel_id"`
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ChannelType string `json:"channel_type"` // "direct", "group", "channel"
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Content string `json:"content"`
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ContentType string `json:"content_type"` // "text", "image", "voice", "file", "mixed"
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Attachments []Attachment `json:"attachments,omitempty"`
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MessageID string `json:"message_id,omitempty"`
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ReplyTo string `json:"reply_to,omitempty"`
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Mentions []string `json:"mentions,omitempty"`
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RawData interface{} `json:"raw_data,omitempty"`
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Timestamp time.Time `json:"timestamp"`
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}
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// Attachment represents a file/image/voice attachment.
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type Attachment struct {
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Type string `json:"type"` // "image", "voice", "file", "video"
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URL string `json:"url,omitempty"`
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FileName string `json:"file_name,omitempty"`
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MimeType string `json:"mime_type,omitempty"`
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Size int64 `json:"size,omitempty"`
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}
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// UnifiedResponse is AI-Core's response converted to unified format.
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type UnifiedResponse struct {
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Messages []ResponseMessage `json:"messages"`
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ReplyTo string `json:"reply_to,omitempty"`
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Platform string `json:"platform"`
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PlatformHints PlatformHints `json:"platform_hints,omitempty"`
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}
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// ResponseMessage is a single message in a response.
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type ResponseMessage struct {
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DisplayType string `json:"display_type"` // "chat", "action", "thinking", "system_info", "tool_progress"
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Content string `json:"content"`
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FormatMode string `json:"format_mode"` // "plain", "markdown", "html"
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}
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// PlatformHints tells the adapter how to deliver the response.
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type PlatformHints struct {
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TypingIndicator bool `json:"typing_indicator"` // show "typing..." before sending
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BurstMode bool `json:"burst_mode"` // send multiple messages rapidly
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ReplyAsThread bool `json:"reply_as_thread"` // reply in a thread
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}
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// PlatformCapabilities declares what a platform supports.
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type PlatformCapabilities struct {
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MaxMessageLength int `json:"max_message_length"`
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SupportsMarkdown bool `json:"supports_markdown"`
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SupportsImage bool `json:"supports_image"`
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SupportsVoice bool `json:"supports_voice"`
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SupportsEmoji bool `json:"supports_emoji"`
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SupportsReaction bool `json:"supports_reaction"`
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SupportsTypingHint bool `json:"supports_typing_hint"`
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RecommendBurstMax int `json:"recommend_burst_max"`
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}
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// PlatformMessage is the platform-specific message format returned by an adapter.
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type PlatformMessage struct {
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Content string `json:"content"`
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FormatMode string `json:"format_mode,omitempty"`
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ReplyTo string `json:"reply_to,omitempty"`
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Metadata map[string]string `json:"metadata,omitempty"`
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RawBody interface{} `json:"raw_body,omitempty"`
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}
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