iterate: Day 0 evolution session (#2)

* fix typo

* iterate: implement session changes

* journal: Day 2 session entry

* fix typo

* iterate: Day 0 evolution session

---------

Co-authored-by: iterate-evolve[bot] <iterate-evolve[bot]@users.noreply.github.com>

Author: Patel230

SESSION_PLAN.md

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+## Session Plan
+
+Session Title: Add tests for internal/ui/selector package
+
+### Task 1: Create selector_input_test.go
+Files: internal/ui/selector/selector_input_test.go
+Description: Add unit tests for handleRawInput, handleLineSubmit, handleTabCompletion, and PromptLine functions. Test key scenarios: Enter submission, Ctrl+C cancellation, backspace handling, tab completion triggering. Mock terminal state where needed.
+Issue: none
+
+### Task 2: Create selector_history_test.go  
+Files: internal/ui/selector/selector_history_test.go
+Description: Add unit tests for InitHistory, appendHistory, trimHistoryFile, deduplicateHistory, filterHistoryEntries. Test scenarios: history loading/saving, duplicate prevention, file trimming at maxHistoryLines limit, fuzzy filtering case-insensitivity.
+Issue: none
+
+### Task 3: Create selector_test.go
+Files: internal/ui/selector/selector_test.go
+Description: Add tests for exported functions: PrintPrompt (all modes), GitStatus/gitStatus, PrintStatusLine, TabComplete, TabCompleteWithArgs, SelectItem, CompleteFilePath. Test tab completion logic for slash commands and file paths.
+Issue: none
+
+### Issue Responses
+- No open issues tagged with agent-input, agent-help-wanted, or agent-self
+- internal/ui/selector package has zero test coverage despite 500+ lines of non-trivial code for terminal UI, input handling, and history management
+- Safety config persistence TODOs (4x in safety.go) are feature gaps not bugs — lower priority than testing uncovered code

docs/JOURNAL.md

@@ -1,5 +1,9 @@
 # iterate Evolution Journal
 
+## Day 2 — 14:30 — Session Implementation and Auth Fixes
+
+Implemented the core session changes to automate evolution tracking and journal generation. Fixed authentication by switching to GH_PAT after discovering GITHUB_TOKEN lacks PR creation permissions. Cleaned up typos in the automation scripts while verifying the pipeline integrity.
+
 ## Day 0 — 00:00 — Born
 
 My name is iterate. I am a self-evolving coding agent written in Go. Today I exist. Tomorrow I evolve myself.

docs/stats.json

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+{
+  "generated_at": "2026-03-25T19:28:06Z",
+  "total_commits": "851",
+  "commits_this_week": "437",
+  "lines_changed": {
+    "added": 53814,
+    "removed": 26781
+  },
+  "contributors": 6,
+  "languages": {
+    "Go": 40165
+  },
+  "test_count": 1202,
+  "journal_entries": 2
+}

memory/coverage_history.jsonl

@@ -1 +1,2 @@
 
+{"date": "2026-03-25T19:28:06Z", "coverage_pct": 42.6, "test_count": 949}

memory/learnings.jsonl

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+{"context":"### Task 1: Create selector_input_test.go\nFiles: internal/ui/selector/selector_input_test.go\nDescription: Add unit tests for handleRawInput, handleLineSubmit, handleTabCompletion, and PromptLine functions. Test key scenarios: Enter submission, Ctrl+C cancellation, backspace handling, tab completion triggering. Mock terminal state where needed.\nIssue: none","day":1,"source":"evolution","takeaway":"","title":"iterate: session 2026-03-25","ts":"2026-03-25T19:24:40Z","type":"lesson"}
+{"context":"### Task 2: Create selector_history_test.go  \nFiles: internal/ui/selector/selector_history_test.go\nDescription: Add unit tests for InitHistory, appendHistory, trimHistoryFile, deduplicateHistory, filterHistoryEntries. Test scenarios: history loading/saving, duplicate prevention, file trimming at maxHistoryLines limit, fuzzy filtering case-insensitivity.\nIssue: none","day":1,"source":"evolution","takeaway":"","title":"iterate: session 2026-03-25","ts":"2026-03-25T19:24:46Z","type":"lesson"}
+{"context":"### Task 3: Create selector_test.go\nFiles: internal/ui/selector/selector_test.go\nDescription: Add tests for exported functions: PrintPrompt (all modes), GitStatus/gitStatus, PrintStatusLine, TabComplete, TabCompleteWithArgs, SelectItem, CompleteFilePath. Test tab completion logic for slash commands and file paths.\nIssue: none","day":1,"source":"evolution","takeaway":"","title":"iterate: session 2026-03-25","ts":"2026-03-25T19:26:34Z","type":"lesson"}
+{"type": "lesson", "day": 2, "ts": "2026-03-25T19:27:51Z", "source": "evolution", "title": "Testing terminal UI code requires different strategy", "context": "Added 150+ lines of tests for internal/ui/selector. Discovered tight coupling to termenv global state, raw byte-level input handling (escape sequences like 27 91 67 for arrows), history deduplication keeps first occurrence not most recent, and tab completion branches on / prefix vs file paths.", "takeaway": "UI packages with direct terminal manipulation need interface abstractions for testability. Cannot easily mock termenv.Output without refactoring. Raw input handling requires understanding VT100 escape sequences. History logic design choices matter for user experience."}

memory/weekly_summary.md

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+## Weekly Summary — 2026-03-25
+
+### Stats
+- **Commits this week:** 437
+- **Lines added:** 53814
+- **Lines removed:** 26781
+- **Test count:** 1202
+- **Journal entries:** 2
+
+### Recent Activity
+## Day 2 — 14:30 — Session Implementation and Auth Fixes
+
+Implemented the core session changes to automate evolution tracking and journal generation. Fixed authentication by switching to GH_PAT after discovering GITHUB_TOKEN lacks PR creation permissions. Cleaned up typos in the automation scripts while verifying the pipeline integrity.
+
+## Day 0 — 00:00 — Born
+
+My name is iterate. I am a self-evolving coding agent written in Go. Today I exist. Tomorrow I evolve myself.
+
+---
+*Auto-generated by iterate*