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docs: fix dead INFER_AGENT_SYSTEM_PROMPT env vars in configuration-reference.md #769

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Merged
edenreich merged 3 commits into from
Jul 6, 2026
+30 −2
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docs: fix dead INFER_AGENT_SYSTEM_PROMPT env vars in configuration-reference.md #769

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docs: fix dead INFER_AGENT_SYSTEM_PROMPT env vars in configuration-re…
inference-gateway-maintainer[bot] Jul 6, 2026
a61ad24
Merge branch 'main' into fix/766-docs-dead-env-vars
edenreich Jul 6, 2026
ecf2ea4
fix(config): remove format specifier from logger.Warn to satisfy logg…
inference-gateway-maintainer[bot] Jul 6, 2026
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16 changes: 16 additions & 0 deletions cmd/config.go
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Original file line number Diff line number Diff line change
Expand Up @@ -435,6 +435,7 @@ func loadConfigFromViper() (*config.Config, error) {
}
cfg.Prompts = *prompts
applyPromptsEnvOverrides(cfg)
warnDeadPromptEnvVars()

remindersCfg, err := resolveRemindersConfig()
if err != nil {
Expand Down Expand Up @@ -547,6 +548,21 @@ func applyPromptsEnvOverrides(cfg *config.Config) {
}
}

// warnDeadPromptEnvVars logs a warning when a known-dead env var (renamed
// in v0.105.0) is set, so consumers following stale docs get a visible
// signal instead of silent ignore.
func warnDeadPromptEnvVars() {
deadVars := []string{
"INFER_AGENT_SYSTEM_PROMPT",
"INFER_AGENT_SYSTEM_PROMPT_PLAN",
}
for _, name := range deadVars {
if _, ok := os.LookupEnv(name); ok {
logger.Warn("environment variable is no longer supported (renamed in v0.105.0); see INFER_PROMPTS_AGENT_SYSTEM_PROMPT / INFER_PROMPTS_AGENT_SYSTEM_PROMPT_PLAN in docs/configuration-reference.md", "var", name)
}
}
}

// applyKeybindingEnvOverrides walks INFER_CHAT_KEYBINDINGS_BINDINGS_*
// environment variables and applies them directly to the in-memory
// keybindings config. Run AFTER loading keybindings.yaml so env vars win.
Expand Down
16 changes: 14 additions & 2 deletions docs/configuration-reference.md
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Original file line number Diff line number Diff line change
Expand Up @@ -630,9 +630,21 @@ and replacing dots (`.`) with underscores (`_`), then prefixing with `INFER_`.
### Agent Configuration

- `INFER_AGENT_MODEL`: Default model for agent operations (e.g., `deepseek/deepseek-v4-pro`)
- `INFER_AGENT_SYSTEM_PROMPT`: Custom system prompt for agent
- `INFER_AGENT_SYSTEM_PROMPT_PLAN`: Custom system prompt for plan mode
- `INFER_PROMPTS_AGENT_SYSTEM_PROMPT`: Custom system prompt for agent
- `INFER_PROMPTS_AGENT_SYSTEM_PROMPT_PLAN`: Custom system prompt for plan mode
- `INFER_PROMPTS_AGENT_SYSTEM_PROMPT_REMOTE`: Custom system prompt for remote agent
- `INFER_PROMPTS_AGENT_SYSTEM_PROMPT_HEARTBEAT`: Custom system prompt for heartbeat
- `INFER_PROMPTS_AGENT_SYSTEM_PROMPT_CLAUDE_CODE`: Custom system prompt for Claude Code mode
- `INFER_PROMPTS_AGENT_CUSTOM_INSTRUCTIONS`: Custom instructions for agent
- `INFER_AGENT_VERBOSE_TOOLS`: Enable verbose tool output (default: `false`)

> **Migration note (v0.105.0+):** The old `INFER_AGENT_SYSTEM_PROMPT` and
> `INFER_AGENT_SYSTEM_PROMPT_PLAN` env vars were renamed to
> `INFER_PROMPTS_AGENT_SYSTEM_PROMPT` and `INFER_PROMPTS_AGENT_SYSTEM_PROMPT_PLAN`
> respectively when agent prompts moved under the `prompts.agent.*` config tree.
> The old names are silently ignored — if you are migrating an existing
> configuration, update your env vars to the new names above.

- `INFER_AGENT_MAX_TURNS`: Maximum agent turns (default: `100`)
- `INFER_AGENT_MAX_TOKENS`: Maximum tokens per response (default: `8192`)
- `INFER_AGENT_MAX_CONCURRENT_TOOLS`: Maximum concurrent tool executions (default: `5`)
Expand Down