import fs from 'fs';
const p = 'C:/Users/decid/Documents/projects/claude_skill_owl/.planning/phases/19-sendkeys-foundation-capsule-launch/19-03-PLAN.md';
let s = fs.readFileSync(p, 'utf8');
const original = s;

// 1. Update must_haves.truths — add CLNCH-09 wiring
const truthOld = '    - "capsule.bat template resolves SPT_HOME, self-updates via fc /b against {SPT_HOME}/bin/capsule.bat, calls owl capsule, invokes psmux with -n winname + -f conf + attach"';
const truthNew = '    - "capsule.bat template resolves SPT_HOME, self-updates via fc /b against {SPT_HOME}/bin/capsule.bat, calls owl capsule, captures the `RESOLVED_AGENT_ID: <id>` line from owl capsule output and uses the resolved id for psmux session/title/has-session (CLNCH-09 / D18 auto-suffix wired end-to-end), invokes psmux with -n winname + -f conf + attach"';
if (!s.includes(truthOld)) throw new Error('truthOld not found');
s = s.replace(truthOld, truthNew);

// 2. Replace the capsule.bat template block. Find the existing block between :: D18 comment and :attach
// We'll replace the section starting at ":: D18: agent_id argv" through just before ":attach"
const oldBat = `       :: D18: agent_id argv or project-folder default
       set "AGENT_ID=%~1"
       if "%AGENT_ID%"=="" (
           for %%F in ("%CD%") do set "AGENT_ID=%%~nxF"
       )
       if not "%~1"=="" shift

       :: D17: terminal title (collapse if agent_id == projdir)
       for %%F in ("%CD%") do set "PROJDIR=%%~nxF"
       set "TITLE=!AGENT_ID!"
       if /i not "!AGENT_ID!"=="!PROJDIR!" set "TITLE=!AGENT_ID!:!PROJDIR!"
       powershell -NoProfile -Command "$host.UI.RawUI.WindowTitle = '!TITLE!'" 2>nul

       :: Owl binary location
       set "OWL=%SPT_HOME%\\..\\..\\.claude\\skills\\owl\\owl.exe"
       if not exist "%OWL%" set "OWL=owl.exe"

       :: D10: reattach check — if psmux session already exists, skip owl capsule and attach
       "%PSMUX%" has-session -t "!AGENT_ID!" >nul 2>&1
       if not errorlevel 1 (
           echo Reactivating spacetime capsule for agent '!AGENT_ID!'...
           goto :attach
       )

       :: Fresh launch: write skeleton perch + spawn detached capsule-listen
       "%OWL%" capsule "!AGENT_ID!" --project-dir "!PROJDIR!"
       if errorlevel 1 (
           echo capsule setup failed
           exit /b 1
       )

       :: D9: winname = {repo}/{branch}
       for /f "delims=" %%B in ('git rev-parse --abbrev-ref HEAD 2^>nul') do set "BRANCH=%%B"
       if "%BRANCH%"=="" set "BRANCH=main"
       set "WINNAME=!PROJDIR!/!BRANCH!"

       :: D12: repo-local styling
       set "CONF=.claude\\psmux.conf"

       "%PSMUX%" new-session -d -s "!AGENT_ID!" -n "!WINNAME!" -f "!CONF!" "claude --dangerously-skip-permissions"`;

const newBat = `       :: D18: agent_id argv or project-folder default (REQUESTED id before CLNCH-09 resolution)
       set "AGENT_ID=%~1"
       if "%AGENT_ID%"=="" (
           for %%F in ("%CD%") do set "AGENT_ID=%%~nxF"
       )
       if not "%~1"=="" shift

       :: Project dir (for title + --project-dir arg)
       for %%F in ("%CD%") do set "PROJDIR=%%~nxF"

       :: Owl binary location
       set "OWL=%SPT_HOME%\\..\\..\\.claude\\skills\\owl\\owl.exe"
       if not exist "%OWL%" set "OWL=owl.exe"

       :: D10: reattach check — if psmux session already exists for the REQUESTED id,
       :: skip owl capsule and attach directly. This is the reattach path; suffixing
       :: (CLNCH-09) only applies to FRESH launches where the requested id collides
       :: with a live non-psmux-session owlery perch.
       "%PSMUX%" has-session -t "!AGENT_ID!" >nul 2>&1
       if not errorlevel 1 (
           echo Reactivating spacetime capsule for agent '!AGENT_ID!'...
           :: D17: terminal title for reattach path
           set "TITLE=!AGENT_ID!"
           if /i not "!AGENT_ID!"=="!PROJDIR!" set "TITLE=!AGENT_ID!:!PROJDIR!"
           powershell -NoProfile -Command "$host.UI.RawUI.WindowTitle = '!TITLE!'" 2>nul
           goto :attach
       )

       :: Fresh launch: owl capsule writes skeleton perch + spawns detached capsule-listen.
       :: CLNCH-09 / D18: owl capsule may auto-suffix the id on owlery-perch collision.
       :: It prints one line "RESOLVED_AGENT_ID: <id>" that we must capture and use for
       :: all subsequent psmux commands so the suffixed id is the actual session name.
       set "RESOLVED_ID="
       for /f "tokens=2 delims=: " %%R in ('"%OWL%" capsule "!AGENT_ID!" --project-dir "!PROJDIR!" 2^>^&1 ^| findstr /b "RESOLVED_AGENT_ID:"') do set "RESOLVED_ID=%%R"
       if "!RESOLVED_ID!"=="" (
           :: owl capsule either failed (COLLISION: all 100 suffixes taken, invalid id,
           :: spawn error) or did not emit the expected line. Either way we cannot proceed.
           echo capsule setup failed
           exit /b 1
       )
       :: From here on, AGENT_ID is the RESOLVED id (may equal the requested id when
       :: there was no collision, or may be "<requested>-N" for 1 <= N <= 99).
       set "AGENT_ID=!RESOLVED_ID!"

       :: D17: terminal title (collapse if resolved agent_id == projdir)
       set "TITLE=!AGENT_ID!"
       if /i not "!AGENT_ID!"=="!PROJDIR!" set "TITLE=!AGENT_ID!:!PROJDIR!"
       powershell -NoProfile -Command "$host.UI.RawUI.WindowTitle = '!TITLE!'" 2>nul

       :: D9: winname = {repo}/{branch}
       for /f "delims=" %%B in ('git rev-parse --abbrev-ref HEAD 2^>nul') do set "BRANCH=%%B"
       if "%BRANCH%"=="" set "BRANCH=main"
       set "WINNAME=!PROJDIR!/!BRANCH!"

       :: D12: repo-local styling
       set "CONF=.claude\\psmux.conf"

       "%PSMUX%" new-session -d -s "!AGENT_ID!" -n "!WINNAME!" -f "!CONF!" "claude --dangerously-skip-permissions"`;

if (!s.includes(oldBat)) throw new Error('oldBat not found');
s = s.replace(oldBat, newBat);

// 3. Add acceptance criteria: CLNCH-09 wiring
const accAnchor = `    - \`grep -q 'has-session' assets/capsule.bat.template\` exits 0 (D10 reattach present)`;
const accAdd = `    - \`grep -q 'has-session' assets/capsule.bat.template\` exits 0 (D10 reattach present)\n    - \`grep -q 'RESOLVED_AGENT_ID' assets/capsule.bat.template\` exits 0 (CLNCH-09 / D18 resolved-id parse wired)\n    - \`grep -q 'set "AGENT_ID=!RESOLVED_ID!"' assets/capsule.bat.template\` exits 0 (resolved id propagated to psmux session name)`;
if (!s.includes(accAnchor)) throw new Error('accAnchor not found');
s = s.replace(accAnchor, accAdd);

if (s === original) throw new Error('No changes applied');
fs.writeFileSync(p, s);
console.log('Plan 03 updated: ' + (s.length - original.length) + ' char delta');