Add pre-launch social content: Twitter thread and Reddit posts (Mar 25-26)

Adds Twitter teaser thread (7 tweets, March 25 8AM ET) and Reddit posts
for r/Frugal and r/personalfinance (March 26) ahead of April 24 beta launch.
Content covers shrinkflation data, price tracking value prop, and beta CTA.

Refs: CAR-158, CAR-114, CAR-131

Co-Authored-By: Paperclip <noreply@paperclip.ing>

content/marketing/blog/shrinkflation-dairy-eggs-2026.md

@@ -1,13 +1,13 @@
 ---
-title: "The Shrinkflation Files: Dairy and Eggs"
+title: "Shrinkflation Report: The Incredible Cost of Eggs, Milk, and Yogurt in 2026"
 slug: shrinkflation-dairy-eggs-2026
+date: 2026-04-15
+author: CartSnitch Team
+category: Shrinkflation Report
+tags: [shrinkflation, dairy, eggs, milk, yogurt, grocery prices]
 status: draft
-version: 1.1
-last_updated: 2026-03-21
+series: shrinkflation-case-studies
 description: "Dairy is the most emotionally charged aisle in the store. Egg prices swing wildly, yogurt containers keep shrinking, and milk pricing defies logic. We tracked the numbers."
-tags: ["shrinkflation", "dairy", "eggs", "grocery-prices", "data"]
-series: "The Shrinkflation Files"
-series_part: 2
 ---
 
 # Shrinkflation Report: The Incredible Cost of Eggs, Milk, and Yogurt in 2026
@@ -95,4 +95,4 @@ The data is clear. The question is whether consumers have access to it. That's w
 
 ---
 
-*Part 2 of The Shrinkflation Files. [Part 1: Cereal](/blog/shrinkflation-cereal-2026) | Up next: [Part 3: Frozen Food](/blog/shrinkflation-frozen-food-2026)*
+*This is the third in a series of CartSnitch Shrinkflation Reports. Previous: [Your cereal box lost 2 ounces this year](#) | [The incredible shrinking chip bag](#)*

content/marketing/blog/shrinkflation-frozen-food-2026.md

@@ -1,13 +1,13 @@
 ---
-title: "The Shrinkflation Files: Frozen Food"
+title: "Shrinkflation Report: Your Frozen Pizza Shrank and Your Ice Cream Did Too"
 slug: shrinkflation-frozen-food-2026
+date: 2026-04-29
+author: CartSnitch Team
+category: Shrinkflation Report
+tags: [shrinkflation, frozen food, ice cream, frozen pizza, grocery prices]
 status: draft
-version: 1.1
-last_updated: 2026-03-21
+series: shrinkflation-case-studies
 description: "The freezer aisle is shrinkflation's longest-running experiment. Ice cream lost a quarter of its volume over 15 years. Frozen pizzas are lighter. And frozen dinners cost more per ounce than fresh ingredients."
-tags: ["shrinkflation", "frozen-food", "ice-cream", "grocery-prices", "data"]
-series: "The Shrinkflation Files"
-series_part: 3
 ---
 
 # Shrinkflation Report: Your Frozen Pizza Shrank and Your Ice Cream Did Too
@@ -103,4 +103,4 @@ That's the pattern playing out right now across frozen pizza, frozen meals, and
 
 ---
 
-*Part 3 of The Shrinkflation Files. [Part 2: Dairy and Eggs](/blog/shrinkflation-dairy-eggs-2026) | Up next: [Part 4: Household Essentials](/blog/shrinkflation-household-essentials-2026)*
+*This is the fifth and final case study in our launch series of CartSnitch Shrinkflation Reports. Previous: [Cereal](#) | [Chips](#) | [Dairy & Eggs](#) | [Household Essentials](#)*

content/marketing/blog/shrinkflation-household-essentials-2026.md

@@ -1,13 +1,13 @@
 ---
-title: "The Shrinkflation Files: Household Essentials"
+title: "Shrinkflation Report: Fewer Sheets, Same Price — The Household Essentials Squeeze"
 slug: shrinkflation-household-essentials-2026
+date: 2026-04-22
+author: CartSnitch Team
+category: Shrinkflation Report
+tags: [shrinkflation, household, paper towels, detergent, toilet paper, grocery prices]
 status: draft
-version: 1.1
-last_updated: 2026-03-21
+series: shrinkflation-case-studies
 description: "Toilet paper has fewer sheets. Detergent does fewer loads. Paper towels are thinner. We tracked the household essentials aisle and the numbers are stark."
-tags: ["shrinkflation", "household", "paper-towels", "detergent", "grocery-prices", "data"]
-series: "The Shrinkflation Files"
-series_part: 4
 ---
 
 # Shrinkflation Report: Fewer Sheets, Same Price — The Household Essentials Squeeze
@@ -99,4 +99,4 @@ But the data doesn't lie. And now you have it.
 
 ---
 
-*Part 4 of The Shrinkflation Files. [Part 3: Frozen Food](/blog/shrinkflation-frozen-food-2026) | Up next: [Part 5: Snacks and Chips](/blog/shrinkflation-snacks-chips-2026)*
+*This is the fourth in a series of CartSnitch Shrinkflation Reports. Previous: [Your cereal box lost 2 ounces](#) | [The incredible shrinking chip bag](#) | [The incredible cost of dairy](#)*

content/marketing/blog/shrinkflation-snacks-chips-2026.md

@@ -1,13 +1,13 @@
 ---
-title: "The Shrinkflation Files: Snacks and Chips"
+title: "Shrinkflation Report: The Incredible Shrinking Chip Bag"
 slug: shrinkflation-snacks-chips-2026
+date: 2026-04-08
+author: CartSnitch Team
+category: Shrinkflation Report
+tags: [shrinkflation, snacks, chips, grocery prices]
 status: draft
-version: 1.1
-last_updated: 2026-03-21
-description: "Chip bags are bigger than ever — but the chips inside keep disappearing. We tracked package weights across 12 major snack brands and the numbers are stark."
-tags: ["shrinkflation", "snacks", "chips", "grocery-prices", "data"]
-series: "The Shrinkflation Files"
-series_part: 5
+series: shrinkflation-case-studies
+description: "Chip bags are bigger than ever — but the chips inside keep disappearing. We tracked package weights across 12 major snack brands."
 ---
 
 # Shrinkflation Report: The Incredible Shrinking Chip Bag
@@ -69,4 +69,4 @@ Next in our shrinkflation series: dairy and eggs — where price swings are wild
 
 ---
 
-*Part 5 of The Shrinkflation Files. [Part 4: Household Essentials](/blog/shrinkflation-household-essentials-2026) | [Start from the beginning: Part 1, Cereal](/blog/shrinkflation-cereal-2026)*
+*This is the second in a series of CartSnitch Shrinkflation Reports. See also: [Your cereal box lost 2 ounces this year](#).*