[codex] reduce module visibility (#16978)

## Summary
- reduce public module visibility across Rust crates, preferring private
or crate-private modules with explicit crate-root public exports
- update external call sites and tests to use the intended public crate
APIs instead of reaching through module trees
- add the module visibility guideline to AGENTS.md

## Validation
- `cargo check --workspace --all-targets --message-format=short` passed
before the final fix/format pass
- `just fix` completed successfully
- `just fmt` completed successfully
- `git diff --check` passed
This commit is contained in:
pakrym-oai
2026-04-07 08:03:35 -07:00
committed by GitHub
Unverified
parent 89f1a44afa
commit 413c1e1fdf
129 changed files with 695 additions and 496 deletions
+4 -4
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@@ -33,10 +33,10 @@ use crate::state::TaskKind;
use codex_login::AuthManager;
use codex_models_manager::manager::ModelsManager;
use codex_otel::SessionTelemetry;
use codex_otel::metrics::names::TURN_E2E_DURATION_METRIC;
use codex_otel::metrics::names::TURN_NETWORK_PROXY_METRIC;
use codex_otel::metrics::names::TURN_TOKEN_USAGE_METRIC;
use codex_otel::metrics::names::TURN_TOOL_CALL_METRIC;
use codex_otel::TURN_E2E_DURATION_METRIC;
use codex_otel::TURN_NETWORK_PROXY_METRIC;
use codex_otel::TURN_TOKEN_USAGE_METRIC;
use codex_otel::TURN_TOOL_CALL_METRIC;
use codex_protocol::models::ContentItem;
use codex_protocol::models::ResponseInputItem;
use codex_protocol::models::ResponseItem;
+3 -3
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@@ -1,8 +1,8 @@
use super::emit_turn_network_proxy_metric;
use codex_otel::MetricsClient;
use codex_otel::MetricsConfig;
use codex_otel::SessionTelemetry;
use codex_otel::metrics::MetricsClient;
use codex_otel::metrics::MetricsConfig;
use codex_otel::metrics::names::TURN_NETWORK_PROXY_METRIC;
use codex_otel::TURN_NETWORK_PROXY_METRIC;
use codex_protocol::ThreadId;
use codex_protocol::protocol::SessionSource;
use opentelemetry::KeyValue;