From b007fee8fb5b39a5f9b369c59af71ac9e795ceaf Mon Sep 17 00:00:00 2001
From: Peter Stone <thepeterstone@gmail.com>
Date: Fri, 17 Jul 2026 22:22:37 +0000
Subject: Implement linear task chains and recurring maintenance buckets

Backend, web timeline, and Android widget wiring for the last two
unimplemented items from doot-future-task-scheduling-ideas.

Chains: task_chains table + chain_id/chain_position/chain_unlocked on
native_tasks (migration 026), WIP-limit-1 advancement hooked into
CompleteNativeTask, locked tasks excluded from all date-based queries,
5 new /api/widget/chains* endpoints, an N/M position badge on web and
Android widget rows.

Buckets: maintenance_buckets table + bucket_id/bucket_state/
bucket_last_active_at on native_tasks (migration 027),
staleness-then-priority selection scoring, a new RunBucketCycleCheck
scheduler loop, 5 new endpoints including the distinct Defer action, a
Defer button on web and Android widget rows.

Also corrected stale "not yet approved" status headers on the two
already-shipped specs this work depended on (labels/projects, budgets/
availability) -- their headers were never updated after implementation.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EZ7ikw2ukGJFTHE3bJS7zL
---
 web/templates/partials/timeline-tab.html | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'web/templates/partials/timeline-tab.html')

diff --git a/web/templates/partials/timeline-tab.html b/web/templates/partials/timeline-tab.html
index d3b3fb6..d6f410e 100644
--- a/web/templates/partials/timeline-tab.html
+++ b/web/templates/partials/timeline-tab.html
@@ -103,6 +103,13 @@
         padding: 1px 4px;
         border-radius: 3px;
     }
+    .chain-badge {
+        background: rgba(139,92,246,0.25);
+        color: #c4b5fd;
+        font-size: 0.65em;
+        padding: 1px 4px;
+        border-radius: 3px;
+    }
 </style>
 
 <div class="space-y-6 text-shadow-sm"
@@ -142,6 +149,8 @@
                 {{end}}
                 <span class="{{if .IsCompleted}}line-through text-white/50{{end}}">{{.Title}}{{multiDayLabel .}}</span>
                 {{if .IsOverdue}}<span class="overdue-badge">overdue</span>{{end}}
+                {{if .ChainTotal}}<span class="chain-badge">{{.ChainPosition}}/{{.ChainTotal}}</span>{{end}}
+                {{if eq .BucketState "active"}}<span class="chain-badge" style="cursor:pointer" hx-post="/defer-atom" hx-vals='{"id": "{{.ID}}"}' hx-swap="none">defer</span>{{end}}
                 {{if .URL}}
                 <a href="{{.URL}}" target="_blank" class="text-white/50 hover:text-white">
                     <svg class="w-3 h-3" fill="none" stroke="currentColor" viewBox="0 0 24 24">
@@ -195,6 +204,8 @@
                            class="h-4 w-4 rounded bg-black/40 border-white/30 text-white/80 focus:ring-white/30 cursor-pointer flex-shrink-0">
                     {{end}}
                     <span class="calendar-event-title {{if .IsCompleted}}line-through text-white/50{{end}}">{{.Title}}</span>
+                    {{if .ChainTotal}}<span class="chain-badge">{{.ChainPosition}}/{{.ChainTotal}}</span>{{end}}
+                    {{if eq .BucketState "active"}}<span class="chain-badge" style="cursor:pointer" hx-post="/defer-atom" hx-vals='{"id": "{{.ID}}"}' hx-swap="none">defer</span>{{end}}
                 </div>
                 <div class="calendar-event-time">{{.Time.Format "3:04 PM"}}{{if .EndTime}} - {{.EndTime.Format "3:04 PM"}}{{end}}</div>
             </div>
@@ -245,6 +256,8 @@
                 <span class="flex-1 text-sm text-white/80 {{if .IsCompleted}}line-through text-white/40{{end}} truncate">
                     {{.Title}}{{multiDayLabel .}}
                     {{if and (eq .MultiDayVariant "") .EndTime}}<span class="text-white/30 text-xs ml-1">– {{.EndTime.Format "3:04 PM"}}</span>{{end}}
+                    {{if .ChainTotal}}<span class="chain-badge">{{.ChainPosition}}/{{.ChainTotal}}</span>{{end}}
+                    {{if eq .BucketState "active"}}<span class="chain-badge" style="cursor:pointer" hx-post="/defer-atom" hx-vals='{"id": "{{.ID}}"}' hx-swap="none">defer</span>{{end}}
                 </span>
                 {{if .URL}}
                 <a href="{{.URL}}" target="_blank" class="text-white/30 hover:text-white shrink-0">
-- 
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