Update engine, handbook, and pipeline files with feature enhancements

engine.py

@@ -39,9 +39,11 @@
 # [SEC A END]
 
 # [SEC B START] Greetings
-GREETING = "Hello v1"
+GREETING = "Howdy from FEATURE"
+SIGNOFF = "Thanks,"
 def greet(name):
-    return f"{GREETING}, {name}"
+    # feature chooses different punctuation & placement
+    return f"{SIGNOFF} {name}. {GREETING}"
 # SEC B filler 001
 # SEC B filler 002
 # SEC B filler 003
@@ -77,6 +79,9 @@ def greet(name):
 # [SEC C START] Math helpers
 def add(a, b):
     return a + b
+
+def multiply(a, b):
+    return a * b
 # SEC C filler 001
 # SEC C filler 002
 # SEC C filler 003
@@ -110,9 +115,9 @@ def add(a, b):
 # [SEC C END]
 
 # [SEC D START] Logger
-LEVEL = "INFO"
+LEVEL = "WARN"
 def get_logger():
-    fmt = "[%(levelname)s] %(message)s"
+    fmt = "[%(levelname)s] %(name)s: %(message)s"  # feature adds logger name
     return (LEVEL, fmt)
 # SEC D filler 001
 # SEC D filler 002
@@ -147,9 +152,10 @@ def get_logger():
 # [SEC D END]
 
 # [SEC E START] Versioning
-VERSION = "1.0.0"
+VERSION = "1.5.0"
 def compute_version():
-    return VERSION
+    # feature appends -feature
+    return VERSION + "-feature"
 # SEC E filler 001
 # SEC E filler 002
 # SEC E filler 003
@@ -183,7 +189,8 @@ def compute_version():
 # [SEC E END]
 
 # [SEC F START] Flags
-FEATURE_X = False
+FEATURE_X = True
+FEATURE_Y = False
 # SEC F filler 001
 # SEC F filler 002
 # SEC F filler 003

handbook.md

@@ -39,9 +39,9 @@ version: 1
 <!-- Ch1 filler 030 -->
 
 # Chapter 2: Coding Standards
-- Use black/ruff
+- Use black/ruff (lenient)
 - 100-col limit
-- Docstrings required
+- Docstrings preferred, type hints optional
 <!-- Ch2 filler 001 -->
 <!-- Ch2 filler 002 -->
 <!-- Ch2 filler 003 -->
@@ -77,6 +77,8 @@ version: 1
 - main is protected
 - feature branches from main
 - rebase before merge
+- PRs must reference a ticket
+- Merge via squash
 <!-- Ch3 filler 001 -->
 <!-- Ch3 filler 002 -->
 <!-- Ch3 filler 003 -->
@@ -144,9 +146,10 @@ version: 1
 <!-- Ch4 filler 030 -->
 
 # Chapter 5: Release Process
-- bump version
-- tag release
+- version bump via tool
+- tag &amp; sign release
 - publish artifacts
+- canary 10% for 1h
 <!-- Ch5 filler 001 -->
 <!-- Ch5 filler 002 -->
 <!-- Ch5 filler 003 -->
@@ -180,8 +183,8 @@ version: 1
 
 # Chapter 6: Incident Response
 - SEV1 page immediately
-- RCA within 72h
-- Postmortem doc
+- RCA start within 48h
+- Postmortem by end of week
 <!-- Ch6 filler 001 -->
 <!-- Ch6 filler 002 -->
 <!-- Ch6 filler 003 -->

pipeline.sql

@@ -41,7 +41,8 @@ WHERE deleted = false;
 CREATE TEMP TABLE t_active AS
 SELECT id, name
 FROM t_users
-WHERE active = true;
+WHERE active = true AND name <> ''
+ORDER BY name;
 -- S2 filler 001
 -- S2 filler 002
 -- S2 filler 003
@@ -113,9 +114,10 @@ LEFT JOIN purchases p ON p.user_id = a.id;
 
 -- [STAGE 4 START] aggregate revenue
 CREATE TEMP TABLE t_rev AS
-SELECT id, SUM(amount) AS revenue
+SELECT id, SUM(amount) AS revenue           -- feature keeps raw sum
 FROM t_join
-GROUP BY id;
+GROUP BY id
+HAVING SUM(amount) &gt; 0;                     -- feature adds HAVING
 -- S4 filler 001
 -- S4 filler 002
 -- S4 filler 003
@@ -149,10 +151,11 @@ GROUP BY id;
 -- [STAGE 4 END]
 
 -- [STAGE 5 START] write outputs
-INSERT INTO reporting.users_daily (id, name, revenue, dt)
-SELECT j.id, j.name, r.revenue, CURRENT_DATE
+INSERT INTO reporting.users_daily (id, name, revenue, yyyymm)
+SELECT j.id, j.name, r.revenue, TO_CHAR(CURRENT_DATE, 'YYYYMM')
 FROM t_join j
 JOIN t_rev r USING (id);
+-- feature writes to yyyymm column instead of dt
 -- S5 filler 001
 -- S5 filler 002
 -- S5 filler 003
@@ -186,7 +189,7 @@ JOIN t_rev r USING (id);
 -- [STAGE 5 END]
 
 -- [STAGE 6 START] finalize
-VACUUM ANALYZE;
+ANALYZE VERBOSE;  -- feature alternative finalization
 -- S6 filler 001
 -- S6 filler 002
 -- S6 filler 003