config

const (
	// DirArchive is the subdirectory for archived tasks within .context/.
	DirArchive = "archive"
	// DirClaude is the Claude Code configuration directory in the project root.
	DirClaude = ".claude"
	// DirClaudeHooks is the hooks subdirectory within .claude/.
	DirClaudeHooks = ".claude/hooks"
	// DirContext is the default context directory name.
	DirContext = ".context"
	// DirSessions is the subdirectory for session snapshots within .context/.
	DirSessions = "sessions"
)

const (
	// EntryTask represents a task entry in TASKS.md.
	EntryTask = "task"
	// EntryDecision represents an architectural decision in DECISIONS.md.
	EntryDecision = "decision"
	// EntryLearning represents a lesson learned in LEARNINGS.md.
	EntryLearning = "learning"
	// EntryConvention represents a code pattern in CONVENTIONS.md.
	EntryConvention = "convention"
	// EntryComplete represents a task completion action (marks the task as done).
	EntryComplete = "complete"
	// EntryUnknown is returned when user input doesn't match any known type.
	EntryUnknown = "unknown"
)

const (
	// FieldContext is the background/situation field for decisions and learnings.
	FieldContext = "context"
	// FieldRationale is the reasoning field for decisions (why this choice).
	FieldRationale = "rationale"
	// FieldConsequence is the outcomes field for decisions (what changes).
	FieldConsequence = "consequences"
	// FieldApplication is the usage field for learnings (how to apply going forward).
	FieldApplication = "application"
	// FieldLesson is the insight field for learnings (the key takeaway).
	FieldLesson = "lesson"
)

const (
	// EnvCtxDir is the environment variable for overriding the context directory.
	EnvCtxDir = "CTX_DIR"
	// EnvCtxTokenBudget is the environment variable for overriding the token budget.
	EnvCtxTokenBudget = "CTX_TOKEN_BUDGET"
)

const (
	// ClaudeBlockText is a text content block.
	ClaudeBlockText = "text"
	// ClaudeBlockThinking is an extended thinking content block.
	ClaudeBlockThinking = "thinking"
	// ClaudeBlockToolUse is a tool invocation block.
	ClaudeBlockToolUse = "tool_use"
	// ClaudeBlockToolResult is a tool execution result block.
	ClaudeBlockToolResult = "tool_result"
)

const (
	// RoleUser is a user message.
	RoleUser = "user"
	// RoleAssistant is an assistant message.
	RoleAssistant = "assistant"
)

const (
	// FileAutoSave is the hook script for auto-saving sessions.
	FileAutoSave = "auto-save-session.sh"
	// FileBlockNonPathScript is the hook script that blocks non-PATH ctx
	// invocations.
	FileBlockNonPathScript = "block-non-path-ctx.sh"
	// FilePromptCoach is the hook script for prompt quality feedback.
	FilePromptCoach = "prompt-coach.sh"
	// FileClaudeMd is the Claude Code configuration file in the project root.
	FileClaudeMd = "CLAUDE.md"
	// FileSettings is the Claude Code local settings file.
	FileSettings = ".claude/settings.local.json"
)

const (
	// FileConstitution contains inviolable rules for agents.
	FileConstitution = "CONSTITUTION.md"
	// FileTask contains current work items and their status.
	FileTask = "TASKS.md"
	// FileConvention contains code patterns and standards.
	FileConvention = "CONVENTIONS.md"
	// FileArchitecture contains system structure documentation.
	FileArchitecture = "ARCHITECTURE.md"
	// FileDecision contains architectural decisions with rationale.
	FileDecision = "DECISIONS.md"
	// FileLearning contains gotchas, tips, and lessons learned.
	FileLearning = "LEARNINGS.md"
	// FileGlossary contains domain terms and definitions.
	FileGlossary = "GLOSSARY.md"
	// FileDrift contains staleness indicators and drift detection results.
	FileDrift = "DRIFT.md"
	// FileAgentPlaybook contains the meta-instructions for using the
	// context system.
	FileAgentPlaybook = "AGENT_PLAYBOOK.md"
	// FileDependency contains project dependency documentation.
	FileDependency = "DEPENDENCIES.md"
)

const (
	// HeadingLearningStart is the Markdown heading for entries in LEARNINGS.md
	HeadingLearningStart = "## ["
	// HeadingLearnings is the Markdown heading for LEARNINGs.md
	HeadingLearnings = "# Learnings"
	// ColumnLearning is the singular column header for learning index tables.
	ColumnLearning = "Learning"
)

const (
	// HeadingDecisions is the Markdown heading for DECISIONS.md
	HeadingDecisions = "# Decisions"
	// ColumnDecision is the singular column header for decision index tables.
	ColumnDecision = "Decision"
)

const (
	// CommentOpen is the HTML comment opening tag.
	CommentOpen = "<!--"
	// CommentClose is the HTML comment closing tag.
	CommentClose = "-->"
)

const (
	// CtxMarkerStart marks the beginning of an embedded context block.
	CtxMarkerStart = "<!-- ctx:context -->"
	// CtxMarkerEnd marks the end of an embedded context block.
	CtxMarkerEnd = "<!-- ctx:end -->"
)

const (
	// IndexStart marks the beginning of an auto-generated index.
	IndexStart = "<!-- INDEX:START -->"
	// IndexEnd marks the end of an auto-generated index.
	IndexEnd = "<!-- INDEX:END -->"
)

const (
	// PrefixTaskUndone is the prefix for an unchecked task item.
	PrefixTaskUndone = "- [ ]"
	// PrefixTaskDone is the prefix for a checked (completed) task item.
	PrefixTaskDone = "- [x]"
)

const (
	// NewlineCRLF is the Windows new line.
	//
	// We check NewlineCRLF first, then NewlineLF to handle both formats.
	NewlineCRLF = "\r\n"
	// NewlineLF is Unix new line.
	NewlineLF = "\n"
	// Separator is a Markdown horizontal rule used between sections.
	Separator = "---"
	// Ellipsis is a Markdown ellipsis.
	Ellipsis = "..."
	// HeadingLevelOneStart is the Markdown heading for the first section.
	HeadingLevelOneStart = "# "
	// HeadingLevelTwoStart is the Markdown heading for subsequent sections.
	HeadingLevelTwoStart = "## "
)

const (
	// FileContextRC is the optional runtime configuration file.
	FileContextRC = ".contextrc"
)

const (
	// MarkTaskComplete is the unchecked task marker.
	MarkTaskComplete = "x"
)

const MaxDecisionsToSummarize = 3

const MaxLearningsToSummarize = 5

const MaxPreviewLen = 60

const (
	// ParserPeekLines is the number of lines to scan when detecting file format.
	ParserPeekLines = 50
)

const WatchAutoSaveInterval = 5