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bf9e111 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 | // Package misc provides miscellaneous utility functions and embedded data for the CLI Proxy API.
// This package contains general-purpose helpers and embedded resources that do not fit into
// more specific domain packages. It includes embedded instructional text for Codex-related operations.
package misc
import (
"embed"
_ "embed"
"strings"
"sync/atomic"
"github.com/tidwall/gjson"
"github.com/tidwall/sjson"
)
// codexInstructionsEnabled controls whether CodexInstructionsForModel returns official instructions.
// When false (default), CodexInstructionsForModel returns (true, "") immediately.
// Set via SetCodexInstructionsEnabled from config.
var codexInstructionsEnabled atomic.Bool
// SetCodexInstructionsEnabled sets whether codex instructions processing is enabled.
func SetCodexInstructionsEnabled(enabled bool) {
codexInstructionsEnabled.Store(enabled)
}
// GetCodexInstructionsEnabled returns whether codex instructions processing is enabled.
func GetCodexInstructionsEnabled() bool {
return codexInstructionsEnabled.Load()
}
//go:embed codex_instructions
var codexInstructionsDir embed.FS
//go:embed opencode_codex_instructions.txt
var opencodeCodexInstructions string
const (
codexUserAgentKey = "__cpa_user_agent"
userAgentOpenAISDK = "ai-sdk/openai/"
)
func InjectCodexUserAgent(raw []byte, userAgent string) []byte {
if len(raw) == 0 {
return raw
}
trimmed := strings.TrimSpace(userAgent)
if trimmed == "" {
return raw
}
updated, err := sjson.SetBytes(raw, codexUserAgentKey, trimmed)
if err != nil {
return raw
}
return updated
}
func ExtractCodexUserAgent(raw []byte) string {
if len(raw) == 0 {
return ""
}
return strings.TrimSpace(gjson.GetBytes(raw, codexUserAgentKey).String())
}
func StripCodexUserAgent(raw []byte) []byte {
if len(raw) == 0 {
return raw
}
if !gjson.GetBytes(raw, codexUserAgentKey).Exists() {
return raw
}
updated, err := sjson.DeleteBytes(raw, codexUserAgentKey)
if err != nil {
return raw
}
return updated
}
func codexInstructionsForOpenCode(systemInstructions string) (bool, string) {
if opencodeCodexInstructions == "" {
return false, ""
}
if strings.HasPrefix(systemInstructions, opencodeCodexInstructions) {
return true, ""
}
return false, opencodeCodexInstructions
}
func useOpenCodeInstructions(userAgent string) bool {
return strings.Contains(strings.ToLower(userAgent), userAgentOpenAISDK)
}
func IsOpenCodeUserAgent(userAgent string) bool {
return useOpenCodeInstructions(userAgent)
}
func codexInstructionsForCodex(modelName, systemInstructions string) (bool, string) {
entries, _ := codexInstructionsDir.ReadDir("codex_instructions")
lastPrompt := ""
lastCodexPrompt := ""
lastCodexMaxPrompt := ""
last51Prompt := ""
last52Prompt := ""
last52CodexPrompt := ""
// lastReviewPrompt := ""
for _, entry := range entries {
content, _ := codexInstructionsDir.ReadFile("codex_instructions/" + entry.Name())
if strings.HasPrefix(systemInstructions, string(content)) {
return true, ""
}
if strings.HasPrefix(entry.Name(), "gpt_5_codex_prompt.md") {
lastCodexPrompt = string(content)
} else if strings.HasPrefix(entry.Name(), "gpt-5.1-codex-max_prompt.md") {
lastCodexMaxPrompt = string(content)
} else if strings.HasPrefix(entry.Name(), "prompt.md") {
lastPrompt = string(content)
} else if strings.HasPrefix(entry.Name(), "gpt_5_1_prompt.md") {
last51Prompt = string(content)
} else if strings.HasPrefix(entry.Name(), "gpt_5_2_prompt.md") {
last52Prompt = string(content)
} else if strings.HasPrefix(entry.Name(), "gpt-5.2-codex_prompt.md") {
last52CodexPrompt = string(content)
} else if strings.HasPrefix(entry.Name(), "review_prompt.md") {
// lastReviewPrompt = string(content)
}
}
if strings.Contains(modelName, "codex-max") {
return false, lastCodexMaxPrompt
} else if strings.Contains(modelName, "5.2-codex") {
return false, last52CodexPrompt
} else if strings.Contains(modelName, "codex") {
return false, lastCodexPrompt
} else if strings.Contains(modelName, "5.1") {
return false, last51Prompt
} else if strings.Contains(modelName, "5.2") {
return false, last52Prompt
} else {
return false, lastPrompt
}
}
func CodexInstructionsForModel(modelName, systemInstructions, userAgent string) (bool, string) {
if !GetCodexInstructionsEnabled() {
return true, ""
}
if IsOpenCodeUserAgent(userAgent) {
return codexInstructionsForOpenCode(systemInstructions)
}
return codexInstructionsForCodex(modelName, systemInstructions)
}
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