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https://github.com/router-for-me/CLIProxyAPI.git
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rebuild branch
This commit is contained in:
Luis Pater
310
internal/provider/gemini-web/models.go
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310
internal/provider/gemini-web/models.go
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package geminiwebapi
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import (
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"fmt"
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"html"
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"net/http"
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"strings"
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"sync"
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"time"
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"github.com/router-for-me/CLIProxyAPI/v6/internal/registry"
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)
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// Gemini web endpoints and default headers ----------------------------------
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const (
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EndpointGoogle = "https://www.google.com"
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EndpointInit = "https://gemini.google.com/app"
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EndpointGenerate = "https://gemini.google.com/_/BardChatUi/data/assistant.lamda.BardFrontendService/StreamGenerate"
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EndpointRotateCookies = "https://accounts.google.com/RotateCookies"
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EndpointUpload = "https://content-push.googleapis.com/upload"
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)
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var (
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HeadersGemini = http.Header{
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"Content-Type": []string{"application/x-www-form-urlencoded;charset=utf-8"},
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"Host": []string{"gemini.google.com"},
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"Origin": []string{"https://gemini.google.com"},
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"Referer": []string{"https://gemini.google.com/"},
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"User-Agent": []string{"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36"},
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"X-Same-Domain": []string{"1"},
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}
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HeadersRotateCookies = http.Header{
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"Content-Type": []string{"application/json"},
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}
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HeadersUpload = http.Header{
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"Push-ID": []string{"feeds/mcudyrk2a4khkz"},
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}
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)
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// Model metadata -------------------------------------------------------------
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type Model struct {
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Name string
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ModelHeader http.Header
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AdvancedOnly bool
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}
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var (
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ModelUnspecified = Model{
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Name: "unspecified",
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ModelHeader: http.Header{},
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AdvancedOnly: false,
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}
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ModelG25Flash = Model{
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Name: "gemini-2.5-flash",
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ModelHeader: http.Header{
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"x-goog-ext-525001261-jspb": []string{"[1,null,null,null,\"71c2d248d3b102ff\",null,null,0,[4]]"},
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},
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AdvancedOnly: false,
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}
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ModelG25Pro = Model{
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Name: "gemini-2.5-pro",
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ModelHeader: http.Header{
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"x-goog-ext-525001261-jspb": []string{"[1,null,null,null,\"4af6c7f5da75d65d\",null,null,0,[4]]"},
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},
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AdvancedOnly: false,
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}
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ModelG20Flash = Model{
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Name: "gemini-2.0-flash",
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ModelHeader: http.Header{
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"x-goog-ext-525001261-jspb": []string{"[1,null,null,null,\"f299729663a2343f\"]"},
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},
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AdvancedOnly: false,
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}
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ModelG20FlashThinking = Model{
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Name: "gemini-2.0-flash-thinking",
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ModelHeader: http.Header{
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"x-goog-ext-525001261-jspb": []string{"[null,null,null,null,\"7ca48d02d802f20a\"]"},
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},
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AdvancedOnly: false,
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}
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)
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func ModelFromName(name string) (Model, error) {
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switch name {
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case ModelUnspecified.Name:
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return ModelUnspecified, nil
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case ModelG25Flash.Name:
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return ModelG25Flash, nil
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case ModelG25Pro.Name:
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return ModelG25Pro, nil
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case ModelG20Flash.Name:
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return ModelG20Flash, nil
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case ModelG20FlashThinking.Name:
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return ModelG20FlashThinking, nil
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default:
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return Model{}, &ValueError{Msg: "Unknown model name: " + name}
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}
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}
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// Known error codes returned from the server.
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const (
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ErrorUsageLimitExceeded = 1037
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ErrorModelInconsistent = 1050
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ErrorModelHeaderInvalid = 1052
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ErrorIPTemporarilyBlocked = 1060
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)
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var (
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GeminiWebAliasOnce sync.Once
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GeminiWebAliasMap map[string]string
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)
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func EnsureGeminiWebAliasMap() {
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GeminiWebAliasOnce.Do(func() {
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GeminiWebAliasMap = make(map[string]string)
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for _, m := range registry.GetGeminiModels() {
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if m.ID == "gemini-2.5-flash-lite" {
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continue
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} else if m.ID == "gemini-2.5-flash" {
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GeminiWebAliasMap["gemini-2.5-flash-image-preview"] = "gemini-2.5-flash"
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}
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alias := AliasFromModelID(m.ID)
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GeminiWebAliasMap[strings.ToLower(alias)] = strings.ToLower(m.ID)
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}
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})
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}
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func GetGeminiWebAliasedModels() []*registry.ModelInfo {
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EnsureGeminiWebAliasMap()
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aliased := make([]*registry.ModelInfo, 0)
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for _, m := range registry.GetGeminiModels() {
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if m.ID == "gemini-2.5-flash-lite" {
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continue
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} else if m.ID == "gemini-2.5-flash" {
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cpy := *m
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cpy.ID = "gemini-2.5-flash-image-preview"
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cpy.Name = "gemini-2.5-flash-image-preview"
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cpy.DisplayName = "Nano Banana"
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cpy.Description = "Gemini 2.5 Flash Preview Image"
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aliased = append(aliased, &cpy)
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}
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cpy := *m
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cpy.ID = AliasFromModelID(m.ID)
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cpy.Name = cpy.ID
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aliased = append(aliased, &cpy)
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}
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return aliased
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}
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func MapAliasToUnderlying(name string) string {
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EnsureGeminiWebAliasMap()
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n := strings.ToLower(name)
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if u, ok := GeminiWebAliasMap[n]; ok {
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return u
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}
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const suffix = "-web"
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if strings.HasSuffix(n, suffix) {
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return strings.TrimSuffix(n, suffix)
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}
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return name
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}
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func AliasFromModelID(modelID string) string {
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return modelID + "-web"
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}
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// Conversation domain structures -------------------------------------------
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type RoleText struct {
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Role string
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Text string
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}
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type StoredMessage struct {
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Role string `json:"role"`
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Content string `json:"content"`
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Name string `json:"name,omitempty"`
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}
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type ConversationRecord struct {
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Model string `json:"model"`
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ClientID string `json:"client_id"`
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Metadata []string `json:"metadata,omitempty"`
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Messages []StoredMessage `json:"messages"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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}
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type Candidate struct {
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RCID string
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Text string
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Thoughts *string
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WebImages []WebImage
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GeneratedImages []GeneratedImage
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}
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func (c Candidate) String() string {
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t := c.Text
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if len(t) > 20 {
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t = t[:20] + "..."
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}
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return fmt.Sprintf("Candidate(rcid='%s', text='%s', images=%d)", c.RCID, t, len(c.WebImages)+len(c.GeneratedImages))
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}
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func (c Candidate) Images() []Image {
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images := make([]Image, 0, len(c.WebImages)+len(c.GeneratedImages))
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for _, wi := range c.WebImages {
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images = append(images, wi.Image)
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}
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for _, gi := range c.GeneratedImages {
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images = append(images, gi.Image)
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}
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return images
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}
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type ModelOutput struct {
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Metadata []string
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Candidates []Candidate
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Chosen int
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}
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func (m ModelOutput) String() string { return m.Text() }
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func (m ModelOutput) Text() string {
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if len(m.Candidates) == 0 {
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return ""
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}
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return m.Candidates[m.Chosen].Text
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}
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func (m ModelOutput) Thoughts() *string {
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if len(m.Candidates) == 0 {
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return nil
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}
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return m.Candidates[m.Chosen].Thoughts
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}
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func (m ModelOutput) Images() []Image {
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if len(m.Candidates) == 0 {
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return nil
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}
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return m.Candidates[m.Chosen].Images()
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}
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func (m ModelOutput) RCID() string {
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if len(m.Candidates) == 0 {
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return ""
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}
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return m.Candidates[m.Chosen].RCID
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}
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type Gem struct {
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ID string
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Name string
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Description *string
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Prompt *string
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Predefined bool
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}
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func (g Gem) String() string {
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return fmt.Sprintf("Gem(id='%s', name='%s', description='%v', prompt='%v', predefined=%v)", g.ID, g.Name, g.Description, g.Prompt, g.Predefined)
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}
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func decodeHTML(s string) string { return html.UnescapeString(s) }
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// Error hierarchy -----------------------------------------------------------
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type AuthError struct{ Msg string }
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func (e *AuthError) Error() string {
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if e.Msg == "" {
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return "authentication error"
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}
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return e.Msg
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}
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type APIError struct{ Msg string }
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func (e *APIError) Error() string {
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if e.Msg == "" {
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return "api error"
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}
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return e.Msg
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}
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type ImageGenerationError struct{ APIError }
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type GeminiError struct{ Msg string }
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func (e *GeminiError) Error() string {
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if e.Msg == "" {
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return "gemini error"
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}
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return e.Msg
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}
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type TimeoutError struct{ GeminiError }
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type UsageLimitExceeded struct{ GeminiError }
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type ModelInvalid struct{ GeminiError }
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type TemporarilyBlocked struct{ GeminiError }
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type ValueError struct{ Msg string }
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func (e *ValueError) Error() string {
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if e.Msg == "" {
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return "value error"
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}
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return e.Msg
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}
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