From 02b4c7a35ac0b714bc045d54fb4bb45d1ce4e490 Mon Sep 17 00:00:00 2001
From: t <t@tjp.lol>
Date: Sat, 13 Jun 2026 23:45:59 -0600
Subject: Add Codex Responses support and session debugging

Teach provider config and auth resolution about the Codex Responses
dialect, including user-facing `style = "openai_responses"` with
`dialect = "codex"`. Serialize and parse Responses traffic with
provider-specific reasoning replay, assistant phase metadata, and robust
function-call assembly keyed by `output_index` so streamed tool inputs
survive proxy quirks and empty terminal payloads.

Also persist thinking origins and message metadata across sessions, add
the Anthropic interleaved-thinking header switch, write per-session
debug logs, and improve the TUI and scripts for inspecting tool output
and session costs.
---
 src/tui_selectors.zig | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

(limited to 'src/tui_selectors.zig')

diff --git a/src/tui_selectors.zig b/src/tui_selectors.zig
index 590d321..e76f82d 100644
--- a/src/tui_selectors.zig
+++ b/src/tui_selectors.zig
@@ -89,7 +89,7 @@ pub const ReasoningOption = struct {
     pub fn forStyle(style: APIStyle) []const ReasoningOption {
         return switch (style) {
             // The Responses style takes the same reasoning-effort options.
-            .openai_chat, .openai_responses => &openai,
+            .openai_chat, .openai_responses, .openai_codex_responses => &openai,
             .anthropic_messages => &anthropic,
         };
     }
@@ -100,6 +100,7 @@ pub const ReasoningOption = struct {
             .openai_chat => |r| switch (cfg.*) {
                 .openai_chat => |*c| c.reasoning = r,
                 .openai_responses => |*c| c.reasoning = r,
+                .openai_codex_responses => |*c| c.reasoning = r,
                 .anthropic_messages => {},
             },
             .anthropic_messages => |sel| switch (cfg.*) {
@@ -110,7 +111,7 @@ pub const ReasoningOption = struct {
                         c.effort = e;
                     },
                 },
-                .openai_chat, .openai_responses => {},
+                .openai_chat, .openai_responses, .openai_codex_responses => {},
             },
         }
     }
@@ -120,7 +121,8 @@ pub const ReasoningOption = struct {
     pub fn matches(self: ReasoningOption, cfg: ProviderConfig) bool {
         switch (self.value) {
             .openai_chat => |r| return (cfg == .openai_chat and cfg.openai_chat.reasoning == r) or
-                (cfg == .openai_responses and cfg.openai_responses.reasoning == r),
+                (cfg == .openai_responses and cfg.openai_responses.reasoning == r) or
+                (cfg == .openai_codex_responses and cfg.openai_codex_responses.reasoning == r),
             .anthropic_messages => |sel| {
                 if (cfg != .anthropic_messages) return false;
                 const c = cfg.anthropic_messages;
@@ -173,7 +175,7 @@ pub fn adaptiveFallback(cfg: *ProviderConfig) bool {
             c.thinking_budget_tokens = budget;
             return true;
         },
-        .openai_chat, .openai_responses => return false,
+        .openai_chat, .openai_responses, .openai_codex_responses => return false,
     }
 }
 
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