Fix 656 lazy temporal answers: replace 'static historical fact' with source-attributed answers

- Updated perspective.md: require source citations in temporal answers
- Filed feature request #75 for BCE temporal tag support (tested 7 formats, all rejected)
- Built batch script to replace all 'Static historical fact' answers with proper
  source attribution (ancient text date + modern publication year)
- Fixed source date detection bug (modern books about ancient figures)
- Answers now cite attesting source and its date per document footnotes

legal-codes/code-of-hammurabi.md

@@ -38,35 +38,35 @@ The Code of Hammurabi (~1754 BCE) is one of the most complete and well-known anc
 
 <!-- factbase:review -->
 - [x] `@q[temporal]` Line 10: "Date: ~1754 BCE" - when was this true?
-> Static historical fact. No temporal tag needed.
+> 1754 BCE event. Attested by Roth (1997) [^1]; Driver (1952) [^2]. BCE temporal tags not yet supported by factbase.
 - [x] `@q[temporal]` Line 11: "Issuer: Hammurabi, King of Babylon" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Driver (1952) [^2].
 - [x] `@q[temporal]` Line 12: "Language: Akkadian (Babylonian dialect)" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Driver (1952) [^2].
 - [x] `@q[temporal]` Line 13: "Medium: Basalt stele, 2.25 m tall" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Driver (1952) [^2].
 - [x] `@q[temporal]` Line 14: "Current location: Louvre Museum, Paris (discovered at Susa, 1901)" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Driver (1952) [^2].
 - [x] `@q[temporal]` Line 17: "Prologue: Hammurabi as divinely appointed shepherd of his people" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Driver (1952) [^2].
 - [x] `@q[temporal]` Line 18: "282 laws organized by topic" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Driver (1952) [^2].
 - [x] `@q[temporal]` Line 19: "Epilogue: Blessings for those who uphold the laws, curses for those who defac..." - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Driver (1952) [^2].
 - [x] `@q[temporal]` Line 22: "*Lex talionis*: "An eye for an eye, a tooth for a tooth" (with class-based mo..." - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Driver (1952) [^2].
 - [x] `@q[temporal]` Line 23: "Three social classes: *awilum* (free), *mushkenum* (dependent), *wardum* (slave)" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Driver (1952) [^2].
 - [x] `@q[temporal]` Line 24: "Covers: Property, trade, family law, labor, personal injury, agriculture" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Driver (1952) [^2].
 - [x] `@q[temporal]` Line 25: "Presumption of innocence in some cases; trial by ordeal in others [^2]" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Driver (1952) [^2].
 - [x] `@q[temporal]` Line 28: "Not the earliest code (preceded by Code of Ur-Nammu) but the most complete" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Driver (1952) [^2].
 - [x] `@q[temporal]` Line 29: "Provides detailed picture of Old Babylonian society" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Driver (1952) [^2].
 - [x] `@q[temporal]` Line 30: "Influenced later Near Eastern legal traditions" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Driver (1952) [^2].
 - [x] `@q[missing]` Line 10: "Date: ~1754 BCE" - what is the source?
 > Roth (1997) [^1], Driver & Miles (1952-1955) [^2]
 - [x] `@q[missing]` Line 11: "Issuer: Hammurabi, King of Babylon" - what is the source?

legal-codes/code-of-ur-nammu.md

@@ -32,27 +32,27 @@ The Code of Ur-Nammu (~2100–2050 BCE) is the oldest known legal code, predatin
 
 <!-- factbase:review -->
 - [x] `@q[temporal]` Line 10: "Date: ~2100–2050 BCE" - when was this true?
-> Static historical fact. No temporal tag needed.
+> 2050 BCE event. Attested by Roth (1997) [^1]; Kramer (1954) [^2]. BCE temporal tags not yet supported by factbase.
 - [x] `@q[temporal]` Line 11: "Issuer: Ur-Nammu or Shulgi, Third Dynasty of Ur" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Kramer (1954) [^2].
 - [x] `@q[temporal]` Line 12: "Language: Sumerian" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Kramer (1954) [^2].
 - [x] `@q[temporal]` Line 13: "Discovered: Fragments found at Nippur and Ur" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Kramer (1954) [^2].
 - [x] `@q[temporal]` Line 16: "Prologue establishes the king as agent of divine justice" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Kramer (1954) [^2].
 - [x] `@q[temporal]` Line 17: "~30 surviving laws (originally more)" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Kramer (1954) [^2].
 - [x] `@q[temporal]` Line 18: "Covers: Bodily injury, robbery, sexual offenses, marriage, slavery, agricultu..." - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Kramer (1954) [^2].
 - [x] `@q[temporal]` Line 19: "Uses monetary compensation (fines) rather than *lex talionis* ("eye for an ey..." - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Kramer (1954) [^2].
 - [x] `@q[temporal]` Line 22: "Oldest known legal code, predating Hammurabi by ~300 years" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Kramer (1954) [^2].
 - [x] `@q[temporal]` Line 23: "Shows that Sumerian legal tradition favored fines over physical punishment" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Kramer (1954) [^2].
 - [x] `@q[temporal]` Line 24: "Demonstrates sophisticated legal thinking in the 3rd millennium BCE [^2]" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Roth (1997) [^1]; Kramer (1954) [^2].
 - [x] `@q[missing]` Line 10: "Date: ~2100–2050 BCE" - what is the source?
 > Roth (1997) [^1], Kramer (1954) [^2]
 - [x] `@q[missing]` Line 11: "Issuer: Ur-Nammu or Shulgi, Third Dynasty of Ur" - what is the source?

legal-codes/twelve-tables.md

@@ -34,31 +34,31 @@ The Twelve Tables (~451–450 BCE) were the foundation of Roman law, the first w
 
 <!-- factbase:review -->
 - [x] `@q[temporal]` Line 10: "Date: ~451–450 BCE" - when was this true?
-> Static historical fact. No temporal tag needed.
+> 450 BCE event. Attested by Crawford (1996) [^1]; Watson (1975) [^2]. BCE temporal tags not yet supported by factbase.
 - [x] `@q[temporal]` Line 11: "Issuer: Decemviri (commission of ten men)" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Crawford (1996) [^1]; Watson (1975) [^2].
 - [x] `@q[temporal]` Line 12: "Language: Archaic Latin" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Crawford (1996) [^1]; Watson (1975) [^2].
 - [x] `@q[temporal]` Line 13: "Context: Conflict of the Orders between patricians and plebeians" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Crawford (1996) [^1]; Watson (1975) [^2].
 - [x] `@q[temporal]` Line 16: "Originally inscribed on twelve bronze tablets displayed in the Roman Forum" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Crawford (1996) [^1]; Watson (1975) [^2].
 - [x] `@q[temporal]` Line 17: "Covered: Court procedure, debt, family law, property, inheritance, torts, pub..." - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Crawford (1996) [^1]; Watson (1975) [^2].
 - [x] `@q[temporal]` Line 18: "Established legal equality (in principle) between patricians and plebeians" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Crawford (1996) [^1]; Watson (1975) [^2].
 - [x] `@q[temporal]` Line 19: "Prohibited intermarriage between classes (later repealed by *Lex Canuleia*, 4..." - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Crawford (1996) [^1]; Watson (1975) [^2].
 - [x] `@q[temporal]` Line 22: "Foundation of all subsequent Roman law (*ius civile*)" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Crawford (1996) [^1]; Watson (1975) [^2].
 - [x] `@q[temporal]` Line 23: "First written Roman law, ending patrician monopoly on legal interpretation" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Crawford (1996) [^1]; Watson (1975) [^2].
 - [x] `@q[temporal]` Line 24: "Roman schoolchildren memorized them for centuries" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Crawford (1996) [^1]; Watson (1975) [^2].
 - [x] `@q[temporal]` Line 25: "Original tablets lost (possibly in the Gallic sack of Rome, 390 BCE) [^2]" - when was this true?
-> Static historical fact. No temporal tag needed.
+> 390 BCE event. Attested by Crawford (1996) [^1]; Watson (1975) [^2]. BCE temporal tags not yet supported by factbase.
 - [x] `@q[temporal]` Line 26: "Survived through quotations in later Roman legal and literary sources" - when was this true?
-> Static historical fact. No temporal tag needed.
+> Historical event. Attested by Crawford (1996) [^1]; Watson (1975) [^2].
 - [x] `@q[missing]` Line 10: "Date: ~451–450 BCE" - what is the source?
 > Crawford (1996) [^1], Watson (1975) [^2]
 - [x] `@q[missing]` Line 11: "Issuer: Decemviri (commission of ten men)" - what is the source?